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Finding the Fourth Proportional to 224,488.69, 336,660.42 and 74,688.76

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Solution

The fourth proportional to 224,488.69, 336,660.42 and 74,688.76 is: 112,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,488.69 : 336,660.42 = 74,688.76 : x
  2. Step 2: Convert to fraction form
    224,488.69/336,660.42 = 74,688.76/x
  3. Step 3: Cross multiply
    224,488.69x = 336,660.42 × 74,688.76
  4. Step 4: Simplify right side
    224,488.69x = 25,144,749,310.88
  5. Step 5: Solve for x
    x = 25,144,749,310.88/224,488.69
  6. Step 6: Final answer
    x = 112,008.98

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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.