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Finding the Fourth Proportional to 116,892.87, 175,332.02 and 42,010.90

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Solution

The fourth proportional to 116,892.87, 175,332.02 and 42,010.90 is: 63,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,892.87 : 175,332.02 = 42,010.90 : x
  2. Step 2: Convert to fraction form
    116,892.87/175,332.02 = 42,010.90/x
  3. Step 3: Cross multiply
    116,892.87x = 175,332.02 × 42,010.90
  4. Step 4: Simplify right side
    116,892.87x = 7,365,856,415.03
  5. Step 5: Solve for x
    x = 7,365,856,415.03/116,892.87
  6. Step 6: Final answer
    x = 63,013.73

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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.