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Finding the Fourth Proportional to 74,241.87, 102,468.66 and 44,043.95

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Solution

The fourth proportional to 74,241.87, 102,468.66 and 44,043.95 is: 60,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.87 : 102,468.66 = 44,043.95 : x
  2. Step 2: Convert to fraction form
    74,241.87/102,468.66 = 44,043.95/x
  3. Step 3: Cross multiply
    74,241.87x = 102,468.66 × 44,043.95
  4. Step 4: Simplify right side
    74,241.87x = 4,513,124,537.61
  5. Step 5: Solve for x
    x = 4,513,124,537.61/74,241.87
  6. Step 6: Final answer
    x = 60,789.48

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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.