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Finding the Fourth Proportional to 72,854.80, 100,539.18 and 41,033.95

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Solution

The fourth proportional to 72,854.80, 100,539.18 and 41,033.95 is: 56,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,854.80 : 100,539.18 = 41,033.95 : x
  2. Step 2: Convert to fraction form
    72,854.80/100,539.18 = 41,033.95/x
  3. Step 3: Cross multiply
    72,854.80x = 100,539.18 × 41,033.95
  4. Step 4: Simplify right side
    72,854.80x = 4,125,519,685.16
  5. Step 5: Solve for x
    x = 4,125,519,685.16/72,854.80
  6. Step 6: Final answer
    x = 56,626.60

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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.