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Finding the Fourth Proportional to 168,473.70, 232,490.25 and 91,995.12

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Solution

The fourth proportional to 168,473.70, 232,490.25 and 91,995.12 is: 126,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,473.70 : 232,490.25 = 91,995.12 : x
  2. Step 2: Convert to fraction form
    168,473.70/232,490.25 = 91,995.12/x
  3. Step 3: Cross multiply
    168,473.70x = 232,490.25 × 91,995.12
  4. Step 4: Simplify right side
    168,473.70x = 21,387,968,447.58
  5. Step 5: Solve for x
    x = 21,387,968,447.58/168,473.70
  6. Step 6: Final answer
    x = 126,951.38

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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.