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Finding the Fourth Proportional to 80,103.79, 110,542.08 and 44,293.02

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Solution

The fourth proportional to 80,103.79, 110,542.08 and 44,293.02 is: 61,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,103.79 : 110,542.08 = 44,293.02 : x
  2. Step 2: Convert to fraction form
    80,103.79/110,542.08 = 44,293.02/x
  3. Step 3: Cross multiply
    80,103.79x = 110,542.08 × 44,293.02
  4. Step 4: Simplify right side
    80,103.79x = 4,896,242,560.28
  5. Step 5: Solve for x
    x = 4,896,242,560.28/80,103.79
  6. Step 6: Final answer
    x = 61,123.73

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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.