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Finding the Fourth Proportional to 75,083.62, 103,605.16 and 44,862.55

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Solution

The fourth proportional to 75,083.62, 103,605.16 and 44,862.55 is: 61,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.62 : 103,605.16 = 44,862.55 : x
  2. Step 2: Convert to fraction form
    75,083.62/103,605.16 = 44,862.55/x
  3. Step 3: Cross multiply
    75,083.62x = 103,605.16 × 44,862.55
  4. Step 4: Simplify right side
    75,083.62x = 4,647,991,446.45
  5. Step 5: Solve for x
    x = 4,647,991,446.45/75,083.62
  6. Step 6: Final answer
    x = 61,904.20

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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.