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Finding the Fourth Proportional to 167,356.11, 230,952.92 and 91,905.15

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Solution

The fourth proportional to 167,356.11, 230,952.92 and 91,905.15 is: 126,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,356.11 : 230,952.92 = 91,905.15 : x
  2. Step 2: Convert to fraction form
    167,356.11/230,952.92 = 91,905.15/x
  3. Step 3: Cross multiply
    167,356.11x = 230,952.92 × 91,905.15
  4. Step 4: Simplify right side
    167,356.11x = 21,225,762,755.54
  5. Step 5: Solve for x
    x = 21,225,762,755.54/167,356.11
  6. Step 6: Final answer
    x = 126,829.92

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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.