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Finding the Fourth Proportional to 167,374.08, 230,990.40 and 91,938.24

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Solution

The fourth proportional to 167,374.08, 230,990.40 and 91,938.24 is: 126,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,374.08 : 230,990.40 = 91,938.24 : x
  2. Step 2: Convert to fraction form
    167,374.08/230,990.40 = 91,938.24/x
  3. Step 3: Cross multiply
    167,374.08x = 230,990.40 × 91,938.24
  4. Step 4: Simplify right side
    167,374.08x = 21,236,850,832.90
  5. Step 5: Solve for x
    x = 21,236,850,832.90/167,374.08
  6. Step 6: Final answer
    x = 126,882.55

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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.