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Finding the Fourth Proportional to 52,547,116.80, 78,820,675.20 and 52,547,116.80

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Solution

The fourth proportional to 52,547,116.80, 78,820,675.20 and 52,547,116.80 is: 78,820,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,547,116.80 : 78,820,675.20 = 52,547,116.80 : x
  2. Step 2: Convert to fraction form
    52,547,116.80/78,820,675.20 = 52,547,116.80/x
  3. Step 3: Cross multiply
    52,547,116.80x = 78,820,675.20 × 52,547,116.80
  4. Step 4: Simplify right side
    52,547,116.80x = 4,141,799,225,989,263.50
  5. Step 5: Solve for x
    x = 4,141,799,225,989,263.50/52,547,116.80
  6. Step 6: Final answer
    x = 78,820,675.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.