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Finding the Fourth Proportional to 159,243.92, 238,340.82 and 88,057.04

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Solution

The fourth proportional to 159,243.92, 238,340.82 and 88,057.04 is: 131,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,243.92 : 238,340.82 = 88,057.04 : x
  2. Step 2: Convert to fraction form
    159,243.92/238,340.82 = 88,057.04/x
  3. Step 3: Cross multiply
    159,243.92x = 238,340.82 × 88,057.04
  4. Step 4: Simplify right side
    159,243.92x = 20,987,587,120.37
  5. Step 5: Solve for x
    x = 20,987,587,120.37/159,243.92
  6. Step 6: Final answer
    x = 131,795.22

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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.