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Finding the Fourth Proportional to 88,899.80, 133,301.10 and 36,249.80

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Solution

The fourth proportional to 88,899.80, 133,301.10 and 36,249.80 is: 54,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.80 : 133,301.10 = 36,249.80 : x
  2. Step 2: Convert to fraction form
    88,899.80/133,301.10 = 36,249.80/x
  3. Step 3: Cross multiply
    88,899.80x = 133,301.10 × 36,249.80
  4. Step 4: Simplify right side
    88,899.80x = 4,832,138,214.78
  5. Step 5: Solve for x
    x = 4,832,138,214.78/88,899.80
  6. Step 6: Final answer
    x = 54,354.88

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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.