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Finding the Fourth Proportional to 80,548.08, 120,838.80 and 24,391.28

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Solution

The fourth proportional to 80,548.08, 120,838.80 and 24,391.28 is: 36,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548.08 : 120,838.80 = 24,391.28 : x
  2. Step 2: Convert to fraction form
    80,548.08/120,838.80 = 24,391.28/x
  3. Step 3: Cross multiply
    80,548.08x = 120,838.80 × 24,391.28
  4. Step 4: Simplify right side
    80,548.08x = 2,947,413,005.66
  5. Step 5: Solve for x
    x = 2,947,413,005.66/80,548.08
  6. Step 6: Final answer
    x = 36,591.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.