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Finding the Fourth Proportional to 237,687.48, 356,419.80 and 137,876.04

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Solution

The fourth proportional to 237,687.48, 356,419.80 and 137,876.04 is: 206,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,687.48 : 356,419.80 = 137,876.04 : x
  2. Step 2: Convert to fraction form
    237,687.48/356,419.80 = 137,876.04/x
  3. Step 3: Cross multiply
    237,687.48x = 356,419.80 × 137,876.04
  4. Step 4: Simplify right side
    237,687.48x = 49,141,750,601.59
  5. Step 5: Solve for x
    x = 49,141,750,601.59/237,687.48
  6. Step 6: Final answer
    x = 206,749.43

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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.