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Finding the Fourth Proportional to 120,547.60, 180,821.40 and 32,995.60

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Solution

The fourth proportional to 120,547.60, 180,821.40 and 32,995.60 is: 49,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547.60 : 180,821.40 = 32,995.60 : x
  2. Step 2: Convert to fraction form
    120,547.60/180,821.40 = 32,995.60/x
  3. Step 3: Cross multiply
    120,547.60x = 180,821.40 × 32,995.60
  4. Step 4: Simplify right side
    120,547.60x = 5,966,310,585.84
  5. Step 5: Solve for x
    x = 5,966,310,585.84/120,547.60
  6. Step 6: Final answer
    x = 49,493.40

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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.