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Finding the Fourth Proportional to 169,065.56, 253,701.39 and 88,020.81

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Solution

The fourth proportional to 169,065.56, 253,701.39 and 88,020.81 is: 132,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,065.56 : 253,701.39 = 88,020.81 : x
  2. Step 2: Convert to fraction form
    169,065.56/253,701.39 = 88,020.81/x
  3. Step 3: Cross multiply
    169,065.56x = 253,701.39 × 88,020.81
  4. Step 4: Simplify right side
    169,065.56x = 22,331,001,845.93
  5. Step 5: Solve for x
    x = 22,331,001,845.93/169,065.56
  6. Step 6: Final answer
    x = 132,084.87

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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.