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Finding the Fourth Proportional to 80,458.92, 120,595.50 and 59,081.40

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Solution

The fourth proportional to 80,458.92, 120,595.50 and 59,081.40 is: 88,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458.92 : 120,595.50 = 59,081.40 : x
  2. Step 2: Convert to fraction form
    80,458.92/120,595.50 = 59,081.40/x
  3. Step 3: Cross multiply
    80,458.92x = 120,595.50 × 59,081.40
  4. Step 4: Simplify right side
    80,458.92x = 7,124,950,973.70
  5. Step 5: Solve for x
    x = 7,124,950,973.70/80,458.92
  6. Step 6: Final answer
    x = 88,553.90

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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.