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Finding the Fourth Proportional to 416,753.20, 625,056.99 and 117,162.64

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Solution

The fourth proportional to 416,753.20, 625,056.99 and 117,162.64 is: 175,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,753.20 : 625,056.99 = 117,162.64 : x
  2. Step 2: Convert to fraction form
    416,753.20/625,056.99 = 117,162.64/x
  3. Step 3: Cross multiply
    416,753.20x = 625,056.99 × 117,162.64
  4. Step 4: Simplify right side
    416,753.20x = 73,233,327,098.85
  5. Step 5: Solve for x
    x = 73,233,327,098.85/416,753.20
  6. Step 6: Final answer
    x = 175,723.49

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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.