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Finding the Fourth Proportional to 239,614.38, 359,476.93 and 71,130.98

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Solution

The fourth proportional to 239,614.38, 359,476.93 and 71,130.98 is: 106,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,614.38 : 359,476.93 = 71,130.98 : x
  2. Step 2: Convert to fraction form
    239,614.38/359,476.93 = 71,130.98/x
  3. Step 3: Cross multiply
    239,614.38x = 359,476.93 × 71,130.98
  4. Step 4: Simplify right side
    239,614.38x = 25,569,946,217.16
  5. Step 5: Solve for x
    x = 25,569,946,217.16/239,614.38
  6. Step 6: Final answer
    x = 106,712.90

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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.