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Finding the Fourth Proportional to 88,101.78, 132,151.48 and 21,542.48

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Solution

The fourth proportional to 88,101.78, 132,151.48 and 21,542.48 is: 32,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,101.78 : 132,151.48 = 21,542.48 : x
  2. Step 2: Convert to fraction form
    88,101.78/132,151.48 = 21,542.48/x
  3. Step 3: Cross multiply
    88,101.78x = 132,151.48 × 21,542.48
  4. Step 4: Simplify right side
    88,101.78x = 2,846,870,614.87
  5. Step 5: Solve for x
    x = 2,846,870,614.87/88,101.78
  6. Step 6: Final answer
    x = 32,313.43

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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.