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Finding the Fourth Proportional to 229,863.92, 344,795.28 and 72,104.24

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Solution

The fourth proportional to 229,863.92, 344,795.28 and 72,104.24 is: 108,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,863.92 : 344,795.28 = 72,104.24 : x
  2. Step 2: Convert to fraction form
    229,863.92/344,795.28 = 72,104.24/x
  3. Step 3: Cross multiply
    229,863.92x = 344,795.28 × 72,104.24
  4. Step 4: Simplify right side
    229,863.92x = 24,861,201,619.99
  5. Step 5: Solve for x
    x = 24,861,201,619.99/229,863.92
  6. Step 6: Final answer
    x = 108,156.17

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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.