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Finding the Fourth Proportional to 82,896.66, 124,344.99 and 20,567.16

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Solution

The fourth proportional to 82,896.66, 124,344.99 and 20,567.16 is: 30,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,896.66 : 124,344.99 = 20,567.16 : x
  2. Step 2: Convert to fraction form
    82,896.66/124,344.99 = 20,567.16/x
  3. Step 3: Cross multiply
    82,896.66x = 124,344.99 × 20,567.16
  4. Step 4: Simplify right side
    82,896.66x = 2,557,423,304.53
  5. Step 5: Solve for x
    x = 2,557,423,304.53/82,896.66
  6. Step 6: Final answer
    x = 30,850.74

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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.