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Finding the Fourth Proportional to 89,500.80, 123,506.87 and 49,216.26

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Solution

The fourth proportional to 89,500.80, 123,506.87 and 49,216.26 is: 67,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.80 : 123,506.87 = 49,216.26 : x
  2. Step 2: Convert to fraction form
    89,500.80/123,506.87 = 49,216.26/x
  3. Step 3: Cross multiply
    89,500.80x = 123,506.87 × 49,216.26
  4. Step 4: Simplify right side
    89,500.80x = 6,078,545,701.04
  5. Step 5: Solve for x
    x = 6,078,545,701.04/89,500.80
  6. Step 6: Final answer
    x = 67,916.11

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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.