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Finding the Fourth Proportional to 80,217.63, 120,444.71 and 44,748.24

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Solution

The fourth proportional to 80,217.63, 120,444.71 and 44,748.24 is: 67,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,217.63 : 120,444.71 = 44,748.24 : x
  2. Step 2: Convert to fraction form
    80,217.63/120,444.71 = 44,748.24/x
  3. Step 3: Cross multiply
    80,217.63x = 120,444.71 × 44,748.24
  4. Step 4: Simplify right side
    80,217.63x = 5,389,688,789.81
  5. Step 5: Solve for x
    x = 5,389,688,789.81/80,217.63
  6. Step 6: Final answer
    x = 67,188.33

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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.