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Finding the Fourth Proportional to 80,441.48, 120,679.55 and 24,276.89

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Solution

The fourth proportional to 80,441.48, 120,679.55 and 24,276.89 is: 36,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.48 : 120,679.55 = 24,276.89 : x
  2. Step 2: Convert to fraction form
    80,441.48/120,679.55 = 24,276.89/x
  3. Step 3: Cross multiply
    80,441.48x = 120,679.55 × 24,276.89
  4. Step 4: Simplify right side
    80,441.48x = 2,929,724,160.60
  5. Step 5: Solve for x
    x = 2,929,724,160.60/80,441.48
  6. Step 6: Final answer
    x = 36,420.57

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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.