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Finding the Fourth Proportional to 80,325.60, 110,849.56 and 44,516.20

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Solution

The fourth proportional to 80,325.60, 110,849.56 and 44,516.20 is: 61,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.60 : 110,849.56 = 44,516.20 : x
  2. Step 2: Convert to fraction form
    80,325.60/110,849.56 = 44,516.20/x
  3. Step 3: Cross multiply
    80,325.60x = 110,849.56 × 44,516.20
  4. Step 4: Simplify right side
    80,325.60x = 4,934,601,182.87
  5. Step 5: Solve for x
    x = 4,934,601,182.87/80,325.60
  6. Step 6: Final answer
    x = 61,432.48

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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.