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Finding the Fourth Proportional to 80,381.89, 110,926.56 and 44,577.19

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Solution

The fourth proportional to 80,381.89, 110,926.56 and 44,577.19 is: 61,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,381.89 : 110,926.56 = 44,577.19 : x
  2. Step 2: Convert to fraction form
    80,381.89/110,926.56 = 44,577.19/x
  3. Step 3: Cross multiply
    80,381.89x = 110,926.56 × 44,577.19
  4. Step 4: Simplify right side
    80,381.89x = 4,944,794,341.17
  5. Step 5: Solve for x
    x = 4,944,794,341.17/80,381.89
  6. Step 6: Final answer
    x = 61,516.27

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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.