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Finding the Fourth Proportional to 80,404.79, 110,962.31 and 44,592.66

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Solution

The fourth proportional to 80,404.79, 110,962.31 and 44,592.66 is: 61,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,404.79 : 110,962.31 = 44,592.66 : x
  2. Step 2: Convert to fraction form
    80,404.79/110,962.31 = 44,592.66/x
  3. Step 3: Cross multiply
    80,404.79x = 110,962.31 × 44,592.66
  4. Step 4: Simplify right side
    80,404.79x = 4,948,104,339.68
  5. Step 5: Solve for x
    x = 4,948,104,339.68/80,404.79
  6. Step 6: Final answer
    x = 61,539.92

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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.