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Finding the Fourth Proportional to 80,447.57, 111,024 and 44,644.55

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Solution

The fourth proportional to 80,447.57, 111,024 and 44,644.55 is: 61,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447.57 : 111,024 = 44,644.55 : x
  2. Step 2: Convert to fraction form
    80,447.57/111,024 = 44,644.55/x
  3. Step 3: Cross multiply
    80,447.57x = 111,024 × 44,644.55
  4. Step 4: Simplify right side
    80,447.57x = 4,956,615,964.08
  5. Step 5: Solve for x
    x = 4,956,615,964.08/80,447.57
  6. Step 6: Final answer
    x = 61,613.00

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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.