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Finding the Fourth Proportional to 168,358.62, 232,339.80 and 91,882.64

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Solution

The fourth proportional to 168,358.62, 232,339.80 and 91,882.64 is: 126,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,358.62 : 232,339.80 = 91,882.64 : x
  2. Step 2: Convert to fraction form
    168,358.62/232,339.80 = 91,882.64/x
  3. Step 3: Cross multiply
    168,358.62x = 232,339.80 × 91,882.64
  4. Step 4: Simplify right side
    168,358.62x = 21,347,993,039.37
  5. Step 5: Solve for x
    x = 21,347,993,039.37/168,358.62
  6. Step 6: Final answer
    x = 126,800.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.