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Finding the Fourth Proportional to 224,487.69, 336,658.92 and 74,687.76

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Solution

The fourth proportional to 224,487.69, 336,658.92 and 74,687.76 is: 112,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,487.69 : 336,658.92 = 74,687.76 : x
  2. Step 2: Convert to fraction form
    224,487.69/336,658.92 = 74,687.76/x
  3. Step 3: Cross multiply
    224,487.69x = 336,658.92 × 74,687.76
  4. Step 4: Simplify right side
    224,487.69x = 25,144,300,180.40
  5. Step 5: Solve for x
    x = 25,144,300,180.40/224,487.69
  6. Step 6: Final answer
    x = 112,007.48

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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.