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Finding the Fourth Proportional to 239,381.40, 359,125.29 and 104,467.17

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Solution

The fourth proportional to 239,381.40, 359,125.29 and 104,467.17 is: 156,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,381.40 : 359,125.29 = 104,467.17 : x
  2. Step 2: Convert to fraction form
    239,381.40/359,125.29 = 104,467.17/x
  3. Step 3: Cross multiply
    239,381.40x = 359,125.29 × 104,467.17
  4. Step 4: Simplify right side
    239,381.40x = 37,516,802,721.73
  5. Step 5: Solve for x
    x = 37,516,802,721.73/239,381.40
  6. Step 6: Final answer
    x = 156,723.97

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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.