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Finding the Fourth Proportional to 54,166.19, 81,251.08 and 18,627.16

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Solution

The fourth proportional to 54,166.19, 81,251.08 and 18,627.16 is: 27,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.19 : 81,251.08 = 18,627.16 : x
  2. Step 2: Convert to fraction form
    54,166.19/81,251.08 = 18,627.16/x
  3. Step 3: Cross multiply
    54,166.19x = 81,251.08 × 18,627.16
  4. Step 4: Simplify right side
    54,166.19x = 1,513,476,687.49
  5. Step 5: Solve for x
    x = 1,513,476,687.49/54,166.19
  6. Step 6: Final answer
    x = 27,941.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.