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Finding the Fourth Proportional to 168,329.38, 252,439.35 and 55,979.38

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Solution

The fourth proportional to 168,329.38, 252,439.35 and 55,979.38 is: 83,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,329.38 : 252,439.35 = 55,979.38 : x
  2. Step 2: Convert to fraction form
    168,329.38/252,439.35 = 55,979.38/x
  3. Step 3: Cross multiply
    168,329.38x = 252,439.35 × 55,979.38
  4. Step 4: Simplify right side
    168,329.38x = 14,131,398,300.60
  5. Step 5: Solve for x
    x = 14,131,398,300.60/168,329.38
  6. Step 6: Final answer
    x = 83,950.87

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1.5x scale

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.