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Finding the Fourth Proportional to 99,166.18, 136,849.22 and 54,454.18

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Solution

The fourth proportional to 99,166.18, 136,849.22 and 54,454.18 is: 75,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,166.18 : 136,849.22 = 54,454.18 : x
  2. Step 2: Convert to fraction form
    99,166.18/136,849.22 = 54,454.18/x
  3. Step 3: Cross multiply
    99,166.18x = 136,849.22 × 54,454.18
  4. Step 4: Simplify right side
    99,166.18x = 7,452,012,058.74
  5. Step 5: Solve for x
    x = 7,452,012,058.74/99,166.18
  6. Step 6: Final answer
    x = 75,146.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.