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Finding the Fourth Proportional to 71,759.67, 99,017.13 and 41,539.11

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Solution

The fourth proportional to 71,759.67, 99,017.13 and 41,539.11 is: 57,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,759.67 : 99,017.13 = 41,539.11 : x
  2. Step 2: Convert to fraction form
    71,759.67/99,017.13 = 41,539.11/x
  3. Step 3: Cross multiply
    71,759.67x = 99,017.13 × 41,539.11
  4. Step 4: Simplify right side
    71,759.67x = 4,113,083,454.95
  5. Step 5: Solve for x
    x = 4,113,083,454.95/71,759.67
  6. Step 6: Final answer
    x = 57,317.48

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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.