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Finding the Fourth Proportional to 89,490.96, 123,494.85 and 51,249.24

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Solution

The fourth proportional to 89,490.96, 123,494.85 and 51,249.24 is: 70,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,490.96 : 123,494.85 = 51,249.24 : x
  2. Step 2: Convert to fraction form
    89,490.96/123,494.85 = 51,249.24/x
  3. Step 3: Cross multiply
    89,490.96x = 123,494.85 × 51,249.24
  4. Step 4: Simplify right side
    89,490.96x = 6,329,017,206.41
  5. Step 5: Solve for x
    x = 6,329,017,206.41/89,490.96
  6. Step 6: Final answer
    x = 70,722.42

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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.