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Finding the Fourth Proportional to 80,402.50, 110,963.55 and 44,599.49

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Solution

The fourth proportional to 80,402.50, 110,963.55 and 44,599.49 is: 61,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402.50 : 110,963.55 = 44,599.49 : x
  2. Step 2: Convert to fraction form
    80,402.50/110,963.55 = 44,599.49/x
  3. Step 3: Cross multiply
    80,402.50x = 110,963.55 × 44,599.49
  4. Step 4: Simplify right side
    80,402.50x = 4,948,917,738.59
  5. Step 5: Solve for x
    x = 4,948,917,738.59/80,402.50
  6. Step 6: Final answer
    x = 61,551.79

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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.