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Finding the Fourth Proportional to 159,887.97, 239,812.85 and 124,384.73

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Solution

The fourth proportional to 159,887.97, 239,812.85 and 124,384.73 is: 186,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,887.97 : 239,812.85 = 124,384.73 : x
  2. Step 2: Convert to fraction form
    159,887.97/239,812.85 = 124,384.73/x
  3. Step 3: Cross multiply
    159,887.97x = 239,812.85 × 124,384.73
  4. Step 4: Simplify right side
    159,887.97x = 29,829,055,709.68
  5. Step 5: Solve for x
    x = 29,829,055,709.68/159,887.97
  6. Step 6: Final answer
    x = 186,562.23

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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.