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Finding the Fourth Proportional to 168,186.56, 231,856.28 and 132,314.28

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Solution

The fourth proportional to 168,186.56, 231,856.28 and 132,314.28 is: 182,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,186.56 : 231,856.28 = 132,314.28 : x
  2. Step 2: Convert to fraction form
    168,186.56/231,856.28 = 132,314.28/x
  3. Step 3: Cross multiply
    168,186.56x = 231,856.28 × 132,314.28
  4. Step 4: Simplify right side
    168,186.56x = 30,677,896,751.68
  5. Step 5: Solve for x
    x = 30,677,896,751.68/168,186.56
  6. Step 6: Final answer
    x = 182,403.97

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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.