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Finding the Fourth Proportional to 166,955.80, 250,462.88 and 73,459.12

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Solution

The fourth proportional to 166,955.80, 250,462.88 and 73,459.12 is: 110,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,955.80 : 250,462.88 = 73,459.12 : x
  2. Step 2: Convert to fraction form
    166,955.80/250,462.88 = 73,459.12/x
  3. Step 3: Cross multiply
    166,955.80x = 250,462.88 × 73,459.12
  4. Step 4: Simplify right side
    166,955.80x = 18,398,782,757.47
  5. Step 5: Solve for x
    x = 18,398,782,757.47/166,955.80
  6. Step 6: Final answer
    x = 110,201.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.