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Finding the Fourth Proportional to 88,410.78, 132,614.87 and 21,850.91

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Solution

The fourth proportional to 88,410.78, 132,614.87 and 21,850.91 is: 32,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,410.78 : 132,614.87 = 21,850.91 : x
  2. Step 2: Convert to fraction form
    88,410.78/132,614.87 = 21,850.91/x
  3. Step 3: Cross multiply
    88,410.78x = 132,614.87 × 21,850.91
  4. Step 4: Simplify right side
    88,410.78x = 2,897,754,816.70
  5. Step 5: Solve for x
    x = 2,897,754,816.70/88,410.78
  6. Step 6: Final answer
    x = 32,776.03

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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.