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Finding the Fourth Proportional to 240,933.92, 361,449.36 and 83,168.48

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Solution

The fourth proportional to 240,933.92, 361,449.36 and 83,168.48 is: 124,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,933.92 : 361,449.36 = 83,168.48 : x
  2. Step 2: Convert to fraction form
    240,933.92/361,449.36 = 83,168.48/x
  3. Step 3: Cross multiply
    240,933.92x = 361,449.36 × 83,168.48
  4. Step 4: Simplify right side
    240,933.92x = 30,061,193,868.17
  5. Step 5: Solve for x
    x = 30,061,193,868.17/240,933.92
  6. Step 6: Final answer
    x = 124,769.45

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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.