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Finding the Fourth Proportional to 168,698.39, 232,711.62 and 108,201.71

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Solution

The fourth proportional to 168,698.39, 232,711.62 and 108,201.71 is: 149,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,698.39 : 232,711.62 = 108,201.71 : x
  2. Step 2: Convert to fraction form
    168,698.39/232,711.62 = 108,201.71/x
  3. Step 3: Cross multiply
    168,698.39x = 232,711.62 × 108,201.71
  4. Step 4: Simplify right side
    168,698.39x = 25,179,794,057.31
  5. Step 5: Solve for x
    x = 25,179,794,057.31/168,698.39
  6. Step 6: Final answer
    x = 149,259.25

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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.