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Finding the Fourth Proportional to 88,585.00, 132,939.77 and 80,115.14

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Solution

The fourth proportional to 88,585.00, 132,939.77 and 80,115.14 is: 120,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,585.00 : 132,939.77 = 80,115.14 : x
  2. Step 2: Convert to fraction form
    88,585.00/132,939.77 = 80,115.14/x
  3. Step 3: Cross multiply
    88,585.00x = 132,939.77 × 80,115.14
  4. Step 4: Simplify right side
    88,585.00x = 10,650,488,216.89
  5. Step 5: Solve for x
    x = 10,650,488,216.89/88,585.00
  6. Step 6: Final answer
    x = 120,229.03

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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.