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Finding the Fourth Proportional to 88,711.70, 133,067.55 and 36,158.90

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Solution

The fourth proportional to 88,711.70, 133,067.55 and 36,158.90 is: 54,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,711.70 : 133,067.55 = 36,158.90 : x
  2. Step 2: Convert to fraction form
    88,711.70/133,067.55 = 36,158.90/x
  3. Step 3: Cross multiply
    88,711.70x = 133,067.55 × 36,158.90
  4. Step 4: Simplify right side
    88,711.70x = 4,811,576,233.70
  5. Step 5: Solve for x
    x = 4,811,576,233.70/88,711.70
  6. Step 6: Final answer
    x = 54,238.35

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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.