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Finding the Fourth Proportional to 239,512.72, 359,270.56 and 71,034.44

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Solution

The fourth proportional to 239,512.72, 359,270.56 and 71,034.44 is: 106,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,512.72 : 359,270.56 = 71,034.44 : x
  2. Step 2: Convert to fraction form
    239,512.72/359,270.56 = 71,034.44/x
  3. Step 3: Cross multiply
    239,512.72x = 359,270.56 × 71,034.44
  4. Step 4: Simplify right side
    239,512.72x = 25,520,584,561.66
  5. Step 5: Solve for x
    x = 25,520,584,561.66/239,512.72
  6. Step 6: Final answer
    x = 106,552.10

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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.