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Finding the Fourth Proportional to 193,872.50, 290,808.86 and 88,617.66

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Solution

The fourth proportional to 193,872.50, 290,808.86 and 88,617.66 is: 132,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,872.50 : 290,808.86 = 88,617.66 : x
  2. Step 2: Convert to fraction form
    193,872.50/290,808.86 = 88,617.66/x
  3. Step 3: Cross multiply
    193,872.50x = 290,808.86 × 88,617.66
  4. Step 4: Simplify right side
    193,872.50x = 25,770,799,146.85
  5. Step 5: Solve for x
    x = 25,770,799,146.85/193,872.50
  6. Step 6: Final answer
    x = 132,926.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.