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Finding the Fourth Proportional to 168,378.62, 232,360.29 and 91,898.96

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Solution

The fourth proportional to 168,378.62, 232,360.29 and 91,898.96 is: 126,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,378.62 : 232,360.29 = 91,898.96 : x
  2. Step 2: Convert to fraction form
    168,378.62/232,360.29 = 91,898.96/x
  3. Step 3: Cross multiply
    168,378.62x = 232,360.29 × 91,898.96
  4. Step 4: Simplify right side
    168,378.62x = 21,353,667,834.50
  5. Step 5: Solve for x
    x = 21,353,667,834.50/168,378.62
  6. Step 6: Final answer
    x = 126,819.36

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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.