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Finding the Fourth Proportional to 96,655.88, 133,443.42 and 63,180.20

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Solution

The fourth proportional to 96,655.88, 133,443.42 and 63,180.20 is: 87,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,655.88 : 133,443.42 = 63,180.20 : x
  2. Step 2: Convert to fraction form
    96,655.88/133,443.42 = 63,180.20/x
  3. Step 3: Cross multiply
    96,655.88x = 133,443.42 × 63,180.20
  4. Step 4: Simplify right side
    96,655.88x = 8,430,981,964.28
  5. Step 5: Solve for x
    x = 8,430,981,964.28/96,655.88
  6. Step 6: Final answer
    x = 87,226.79

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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.