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Finding the Fourth Proportional to 89,305.40, 123,243.04 and 49,022.91

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Solution

The fourth proportional to 89,305.40, 123,243.04 and 49,022.91 is: 67,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,305.40 : 123,243.04 = 49,022.91 : x
  2. Step 2: Convert to fraction form
    89,305.40/123,243.04 = 49,022.91/x
  3. Step 3: Cross multiply
    89,305.40x = 123,243.04 × 49,022.91
  4. Step 4: Simplify right side
    89,305.40x = 6,041,732,458.05
  5. Step 5: Solve for x
    x = 6,041,732,458.05/89,305.40
  6. Step 6: Final answer
    x = 67,652.49

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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.