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Finding the Fourth Proportional to 89,361.89, 123,318.96 and 48,525.65

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Solution

The fourth proportional to 89,361.89, 123,318.96 and 48,525.65 is: 66,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,361.89 : 123,318.96 = 48,525.65 : x
  2. Step 2: Convert to fraction form
    89,361.89/123,318.96 = 48,525.65/x
  3. Step 3: Cross multiply
    89,361.89x = 123,318.96 × 48,525.65
  4. Step 4: Simplify right side
    89,361.89x = 5,984,132,448.70
  5. Step 5: Solve for x
    x = 5,984,132,448.70/89,361.89
  6. Step 6: Final answer
    x = 66,965.15

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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.