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Finding the Fourth Proportional to 239,713.38, 359,476.56 and 89,871.93

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Solution

The fourth proportional to 239,713.38, 359,476.56 and 89,871.93 is: 134,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,713.38 : 359,476.56 = 89,871.93 : x
  2. Step 2: Convert to fraction form
    239,713.38/359,476.56 = 89,871.93/x
  3. Step 3: Cross multiply
    239,713.38x = 359,476.56 × 89,871.93
  4. Step 4: Simplify right side
    239,713.38x = 32,306,852,236.96
  5. Step 5: Solve for x
    x = 32,306,852,236.96/239,713.38
  6. Step 6: Final answer
    x = 134,772.84

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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.