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Finding the Fourth Proportional to 96,325.96, 132,983.22 and 66,129.16

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Solution

The fourth proportional to 96,325.96, 132,983.22 and 66,129.16 is: 91,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,325.96 : 132,983.22 = 66,129.16 : x
  2. Step 2: Convert to fraction form
    96,325.96/132,983.22 = 66,129.16/x
  3. Step 3: Cross multiply
    96,325.96x = 132,983.22 × 66,129.16
  4. Step 4: Simplify right side
    96,325.96x = 8,794,068,632.70
  5. Step 5: Solve for x
    x = 8,794,068,632.70/96,325.96
  6. Step 6: Final answer
    x = 91,294.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.