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Finding the Fourth Proportional to 166,999.04, 230,464 and 91,546.88

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Solution

The fourth proportional to 166,999.04, 230,464 and 91,546.88 is: 126,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,999.04 : 230,464 = 91,546.88 : x
  2. Step 2: Convert to fraction form
    166,999.04/230,464 = 91,546.88/x
  3. Step 3: Cross multiply
    166,999.04x = 230,464 × 91,546.88
  4. Step 4: Simplify right side
    166,999.04x = 21,098,260,152.32
  5. Step 5: Solve for x
    x = 21,098,260,152.32/166,999.04
  6. Step 6: Final answer
    x = 126,337.61

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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.