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Finding the Fourth Proportional to 101,077.93, 151,493.91 and 71,504.29

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Solution

The fourth proportional to 101,077.93, 151,493.91 and 71,504.29 is: 107,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,077.93 : 151,493.91 = 71,504.29 : x
  2. Step 2: Convert to fraction form
    101,077.93/151,493.91 = 71,504.29/x
  3. Step 3: Cross multiply
    101,077.93x = 151,493.91 × 71,504.29
  4. Step 4: Simplify right side
    101,077.93x = 10,832,464,473.87
  5. Step 5: Solve for x
    x = 10,832,464,473.87/101,077.93
  6. Step 6: Final answer
    x = 107,169.43

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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.