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Finding the Fourth Proportional to 230,382.90, 345,337.38 and 88,194.69

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Solution

The fourth proportional to 230,382.90, 345,337.38 and 88,194.69 is: 132,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,382.90 : 345,337.38 = 88,194.69 : x
  2. Step 2: Convert to fraction form
    230,382.90/345,337.38 = 88,194.69/x
  3. Step 3: Cross multiply
    230,382.90x = 345,337.38 × 88,194.69
  4. Step 4: Simplify right side
    230,382.90x = 30,456,923,174.51
  5. Step 5: Solve for x
    x = 30,456,923,174.51/230,382.90
  6. Step 6: Final answer
    x = 132,201.32

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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.