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Finding the Fourth Proportional to 416,755.30, 625,060.15 and 117,164.75

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Solution

The fourth proportional to 416,755.30, 625,060.15 and 117,164.75 is: 175,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,755.30 : 625,060.15 = 117,164.75 : x
  2. Step 2: Convert to fraction form
    416,755.30/625,060.15 = 117,164.75/x
  3. Step 3: Cross multiply
    416,755.30x = 625,060.15 × 117,164.75
  4. Step 4: Simplify right side
    416,755.30x = 73,235,016,209.71
  5. Step 5: Solve for x
    x = 73,235,016,209.71/416,755.30
  6. Step 6: Final answer
    x = 175,726.66

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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.