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Finding the Fourth Proportional to 80,581.04, 120,959.04 and 59,454.80

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Solution

The fourth proportional to 80,581.04, 120,959.04 and 59,454.80 is: 89,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,581.04 : 120,959.04 = 59,454.80 : x
  2. Step 2: Convert to fraction form
    80,581.04/120,959.04 = 59,454.80/x
  3. Step 3: Cross multiply
    80,581.04x = 120,959.04 × 59,454.80
  4. Step 4: Simplify right side
    80,581.04x = 7,191,595,531.39
  5. Step 5: Solve for x
    x = 7,191,595,531.39/80,581.04
  6. Step 6: Final answer
    x = 89,246.75

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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.