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Finding the Fourth Proportional to 195,314.68, 292,975.56 and 68,951.85

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Solution

The fourth proportional to 195,314.68, 292,975.56 and 68,951.85 is: 103,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,314.68 : 292,975.56 = 68,951.85 : x
  2. Step 2: Convert to fraction form
    195,314.68/292,975.56 = 68,951.85/x
  3. Step 3: Cross multiply
    195,314.68x = 292,975.56 × 68,951.85
  4. Step 4: Simplify right side
    195,314.68x = 20,201,206,866.79
  5. Step 5: Solve for x
    x = 20,201,206,866.79/195,314.68
  6. Step 6: Final answer
    x = 103,429.02

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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.