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Finding the Fourth Proportional to 72,873.17, 100,562.60 and 44,578.85

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Solution

The fourth proportional to 72,873.17, 100,562.60 and 44,578.85 is: 61,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,873.17 : 100,562.60 = 44,578.85 : x
  2. Step 2: Convert to fraction form
    72,873.17/100,562.60 = 44,578.85/x
  3. Step 3: Cross multiply
    72,873.17x = 100,562.60 × 44,578.85
  4. Step 4: Simplify right side
    72,873.17x = 4,482,964,838.12
  5. Step 5: Solve for x
    x = 4,482,964,838.12/72,873.17
  6. Step 6: Final answer
    x = 61,517.36

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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.