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Finding the Fourth Proportional to 83,880.60, 125,822.26 and 44,356.04

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Solution

The fourth proportional to 83,880.60, 125,822.26 and 44,356.04 is: 66,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880.60 : 125,822.26 = 44,356.04 : x
  2. Step 2: Convert to fraction form
    83,880.60/125,822.26 = 44,356.04/x
  3. Step 3: Cross multiply
    83,880.60x = 125,822.26 × 44,356.04
  4. Step 4: Simplify right side
    83,880.60x = 5,580,977,095.62
  5. Step 5: Solve for x
    x = 5,580,977,095.62/83,880.60
  6. Step 6: Final answer
    x = 66,534.78

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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.