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Finding the Fourth Proportional to 224,488.40, 336,747.17 and 66,703.64

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Solution

The fourth proportional to 224,488.40, 336,747.17 and 66,703.64 is: 100,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,488.40 : 336,747.17 = 66,703.64 : x
  2. Step 2: Convert to fraction form
    224,488.40/336,747.17 = 66,703.64/x
  3. Step 3: Cross multiply
    224,488.40x = 336,747.17 × 66,703.64
  4. Step 4: Simplify right side
    224,488.40x = 22,462,260,481.72
  5. Step 5: Solve for x
    x = 22,462,260,481.72/224,488.40
  6. Step 6: Final answer
    x = 100,059.78

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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.