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Finding the Fourth Proportional to 80,325.66, 110,856.96 and 48,520.74

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Solution

The fourth proportional to 80,325.66, 110,856.96 and 48,520.74 is: 66,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.66 : 110,856.96 = 48,520.74 : x
  2. Step 2: Convert to fraction form
    80,325.66/110,856.96 = 48,520.74/x
  3. Step 3: Cross multiply
    80,325.66x = 110,856.96 × 48,520.74
  4. Step 4: Simplify right side
    80,325.66x = 5,378,861,733.35
  5. Step 5: Solve for x
    x = 5,378,861,733.35/80,325.66
  6. Step 6: Final answer
    x = 66,963.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.