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Finding the Fourth Proportional to 239,625.39, 359,376.58 and 71,105.88

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Solution

The fourth proportional to 239,625.39, 359,376.58 and 71,105.88 is: 106,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,625.39 : 359,376.58 = 71,105.88 : x
  2. Step 2: Convert to fraction form
    239,625.39/359,376.58 = 71,105.88/x
  3. Step 3: Cross multiply
    239,625.39x = 359,376.58 × 71,105.88
  4. Step 4: Simplify right side
    239,625.39x = 25,553,787,972.29
  5. Step 5: Solve for x
    x = 25,553,787,972.29/239,625.39
  6. Step 6: Final answer
    x = 106,640.57

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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.