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Finding the Fourth Proportional to 167,967.60, 231,797.82 and 91,490.22

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Solution

The fourth proportional to 167,967.60, 231,797.82 and 91,490.22 is: 126,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,967.60 : 231,797.82 = 91,490.22 : x
  2. Step 2: Convert to fraction form
    167,967.60/231,797.82 = 91,490.22/x
  3. Step 3: Cross multiply
    167,967.60x = 231,797.82 × 91,490.22
  4. Step 4: Simplify right side
    167,967.60x = 21,207,233,547.32
  5. Step 5: Solve for x
    x = 21,207,233,547.32/167,967.60
  6. Step 6: Final answer
    x = 126,257.88

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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.