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Finding the Fourth Proportional to 101,267.34, 151,768.89 and 73,281.66

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Solution

The fourth proportional to 101,267.34, 151,768.89 and 73,281.66 is: 109,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,267.34 : 151,768.89 = 73,281.66 : x
  2. Step 2: Convert to fraction form
    101,267.34/151,768.89 = 73,281.66/x
  3. Step 3: Cross multiply
    101,267.34x = 151,768.89 × 73,281.66
  4. Step 4: Simplify right side
    101,267.34x = 11,121,876,195.56
  5. Step 5: Solve for x
    x = 11,121,876,195.56/101,267.34
  6. Step 6: Final answer
    x = 109,826.88

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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.