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Finding the Fourth Proportional to 80,372.40, 110,913.46 and 44,567.68

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Solution

The fourth proportional to 80,372.40, 110,913.46 and 44,567.68 is: 61,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,372.40 : 110,913.46 = 44,567.68 : x
  2. Step 2: Convert to fraction form
    80,372.40/110,913.46 = 44,567.68/x
  3. Step 3: Cross multiply
    80,372.40x = 110,913.46 × 44,567.68
  4. Step 4: Simplify right side
    80,372.40x = 4,943,155,592.97
  5. Step 5: Solve for x
    x = 4,943,155,592.97/80,372.40
  6. Step 6: Final answer
    x = 61,503.15

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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.