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Finding the Fourth Proportional to 168,228.28, 232,152.08 and 91,747.96

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Solution

The fourth proportional to 168,228.28, 232,152.08 and 91,747.96 is: 126,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,228.28 : 232,152.08 = 91,747.96 : x
  2. Step 2: Convert to fraction form
    168,228.28/232,152.08 = 91,747.96/x
  3. Step 3: Cross multiply
    168,228.28x = 232,152.08 × 91,747.96
  4. Step 4: Simplify right side
    168,228.28x = 21,299,479,749.76
  5. Step 5: Solve for x
    x = 21,299,479,749.76/168,228.28
  6. Step 6: Final answer
    x = 126,610.58

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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.