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Finding the Fourth Proportional to 228,843.68, 343,288.59 and 60,375.65

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Solution

The fourth proportional to 228,843.68, 343,288.59 and 60,375.65 is: 90,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,843.68 : 343,288.59 = 60,375.65 : x
  2. Step 2: Convert to fraction form
    228,843.68/343,288.59 = 60,375.65/x
  3. Step 3: Cross multiply
    228,843.68x = 343,288.59 × 60,375.65
  4. Step 4: Simplify right side
    228,843.68x = 20,726,271,758.83
  5. Step 5: Solve for x
    x = 20,726,271,758.83/228,843.68
  6. Step 6: Final answer
    x = 90,569.56

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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.