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Finding the Fourth Proportional to 234,717.72, 352,061.99 and 74,789.70

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Solution

The fourth proportional to 234,717.72, 352,061.99 and 74,789.70 is: 112,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,717.72 : 352,061.99 = 74,789.70 : x
  2. Step 2: Convert to fraction form
    234,717.72/352,061.99 = 74,789.70/x
  3. Step 3: Cross multiply
    234,717.72x = 352,061.99 × 74,789.70
  4. Step 4: Simplify right side
    234,717.72x = 26,330,610,239.55
  5. Step 5: Solve for x
    x = 26,330,610,239.55/234,717.72
  6. Step 6: Final answer
    x = 112,179.90

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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.