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Finding the Fourth Proportional to 135,248.46, 202,811.10 and 72,052.56

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Solution

The fourth proportional to 135,248.46, 202,811.10 and 72,052.56 is: 108,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,248.46 : 202,811.10 = 72,052.56 : x
  2. Step 2: Convert to fraction form
    135,248.46/202,811.10 = 72,052.56/x
  3. Step 3: Cross multiply
    135,248.46x = 202,811.10 × 72,052.56
  4. Step 4: Simplify right side
    135,248.46x = 14,613,058,951.42
  5. Step 5: Solve for x
    x = 14,613,058,951.42/135,248.46
  6. Step 6: Final answer
    x = 108,046.03

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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.