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Finding the Fourth Proportional to 234,658.38, 351,956.28 and 66,192.24

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Solution

The fourth proportional to 234,658.38, 351,956.28 and 66,192.24 is: 99,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,658.38 : 351,956.28 = 66,192.24 : x
  2. Step 2: Convert to fraction form
    234,658.38/351,956.28 = 66,192.24/x
  3. Step 3: Cross multiply
    234,658.38x = 351,956.28 × 66,192.24
  4. Step 4: Simplify right side
    234,658.38x = 23,296,774,555.27
  5. Step 5: Solve for x
    x = 23,296,774,555.27/234,658.38
  6. Step 6: Final answer
    x = 99,279.53

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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.