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Finding the Fourth Proportional to 167,175.76, 230,700.48 and 91,724.20

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Solution

The fourth proportional to 167,175.76, 230,700.48 and 91,724.20 is: 126,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,175.76 : 230,700.48 = 91,724.20 : x
  2. Step 2: Convert to fraction form
    167,175.76/230,700.48 = 91,724.20/x
  3. Step 3: Cross multiply
    167,175.76x = 230,700.48 × 91,724.20
  4. Step 4: Simplify right side
    167,175.76x = 21,160,816,967.62
  5. Step 5: Solve for x
    x = 21,160,816,967.62/167,175.76
  6. Step 6: Final answer
    x = 126,578.26

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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.