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Finding the Fourth Proportional to 223,113.92, 334,689.78 and 71,332.88

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Solution

The fourth proportional to 223,113.92, 334,689.78 and 71,332.88 is: 107,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,113.92 : 334,689.78 = 71,332.88 : x
  2. Step 2: Convert to fraction form
    223,113.92/334,689.78 = 71,332.88/x
  3. Step 3: Cross multiply
    223,113.92x = 334,689.78 × 71,332.88
  4. Step 4: Simplify right side
    223,113.92x = 23,874,385,913.97
  5. Step 5: Solve for x
    x = 23,874,385,913.97/223,113.92
  6. Step 6: Final answer
    x = 107,005.36

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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.