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Finding the Fourth Proportional to 239,848.38, 359,709.84 and 71,323.29

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Solution

The fourth proportional to 239,848.38, 359,709.84 and 71,323.29 is: 106,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,848.38 : 359,709.84 = 71,323.29 : x
  2. Step 2: Convert to fraction form
    239,848.38/359,709.84 = 71,323.29/x
  3. Step 3: Cross multiply
    239,848.38x = 359,709.84 × 71,323.29
  4. Step 4: Simplify right side
    239,848.38x = 25,655,689,234.17
  5. Step 5: Solve for x
    x = 25,655,689,234.17/239,848.38
  6. Step 6: Final answer
    x = 106,966.28

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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.