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Finding the Fourth Proportional to 72,560.52, 100,104.90 and 41,913.36

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Solution

The fourth proportional to 72,560.52, 100,104.90 and 41,913.36 is: 57,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560.52 : 100,104.90 = 41,913.36 : x
  2. Step 2: Convert to fraction form
    72,560.52/100,104.90 = 41,913.36/x
  3. Step 3: Cross multiply
    72,560.52x = 100,104.90 × 41,913.36
  4. Step 4: Simplify right side
    72,560.52x = 4,195,732,711.46
  5. Step 5: Solve for x
    x = 4,195,732,711.46/72,560.52
  6. Step 6: Final answer
    x = 57,823.91

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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.