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Finding the Fourth Proportional to 168,469.57, 232,488.51 and 91,989.34

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Solution

The fourth proportional to 168,469.57, 232,488.51 and 91,989.34 is: 126,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,469.57 : 232,488.51 = 91,989.34 : x
  2. Step 2: Convert to fraction form
    168,469.57/232,488.51 = 91,989.34/x
  3. Step 3: Cross multiply
    168,469.57x = 232,488.51 × 91,989.34
  4. Step 4: Simplify right side
    168,469.57x = 21,386,464,183.74
  5. Step 5: Solve for x
    x = 21,386,464,183.74/168,469.57
  6. Step 6: Final answer
    x = 126,945.56

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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.