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Finding the Fourth Proportional to 96,339.72, 132,984.48 and 72,535.44

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Solution

The fourth proportional to 96,339.72, 132,984.48 and 72,535.44 is: 100,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,339.72 : 132,984.48 = 72,535.44 : x
  2. Step 2: Convert to fraction form
    96,339.72/132,984.48 = 72,535.44/x
  3. Step 3: Cross multiply
    96,339.72x = 132,984.48 × 72,535.44
  4. Step 4: Simplify right side
    96,339.72x = 9,646,087,769.97
  5. Step 5: Solve for x
    x = 9,646,087,769.97/96,339.72
  6. Step 6: Final answer
    x = 100,125.76

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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.