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Finding the Fourth Proportional to 88,001.70, 132,002.55 and 82,817.70

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Solution

The fourth proportional to 88,001.70, 132,002.55 and 82,817.70 is: 124,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.70 : 132,002.55 = 82,817.70 : x
  2. Step 2: Convert to fraction form
    88,001.70/132,002.55 = 82,817.70/x
  3. Step 3: Cross multiply
    88,001.70x = 132,002.55 × 82,817.70
  4. Step 4: Simplify right side
    88,001.70x = 10,932,147,585.14
  5. Step 5: Solve for x
    x = 10,932,147,585.14/88,001.70
  6. Step 6: Final answer
    x = 124,226.55

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1.5x scale

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.