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Finding the Fourth Proportional to 117,454.40, 176,200.80 and 38,547.20

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Solution

The fourth proportional to 117,454.40, 176,200.80 and 38,547.20 is: 57,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.40 : 176,200.80 = 38,547.20 : x
  2. Step 2: Convert to fraction form
    117,454.40/176,200.80 = 38,547.20/x
  3. Step 3: Cross multiply
    117,454.40x = 176,200.80 × 38,547.20
  4. Step 4: Simplify right side
    117,454.40x = 6,792,047,477.76
  5. Step 5: Solve for x
    x = 6,792,047,477.76/117,454.40
  6. Step 6: Final answer
    x = 57,827.10

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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.