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Finding the Fourth Proportional to 89,803.66, 123,926.35 and 49,517.41

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Solution

The fourth proportional to 89,803.66, 123,926.35 and 49,517.41 is: 68,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,803.66 : 123,926.35 = 49,517.41 : x
  2. Step 2: Convert to fraction form
    89,803.66/123,926.35 = 49,517.41/x
  3. Step 3: Cross multiply
    89,803.66x = 123,926.35 × 49,517.41
  4. Step 4: Simplify right side
    89,803.66x = 6,136,511,882.75
  5. Step 5: Solve for x
    x = 6,136,511,882.75/89,803.66
  6. Step 6: Final answer
    x = 68,332.54

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Why These Related Problems?

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