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Finding the Fourth Proportional to 80,348.50, 110,869.29 and 44,538.50

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Solution

The fourth proportional to 80,348.50, 110,869.29 and 44,538.50 is: 61,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,348.50 : 110,869.29 = 44,538.50 : x
  2. Step 2: Convert to fraction form
    80,348.50/110,869.29 = 44,538.50/x
  3. Step 3: Cross multiply
    80,348.50x = 110,869.29 × 44,538.50
  4. Step 4: Simplify right side
    80,348.50x = 4,937,951,872.67
  5. Step 5: Solve for x
    x = 4,937,951,872.67/80,348.50
  6. Step 6: Final answer
    x = 61,456.68

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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.