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Finding the Fourth Proportional to 141,016.92, 211,031.16 and 101,079.87

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Solution

The fourth proportional to 141,016.92, 211,031.16 and 101,079.87 is: 151,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,016.92 : 211,031.16 = 101,079.87 : x
  2. Step 2: Convert to fraction form
    141,016.92/211,031.16 = 101,079.87/x
  3. Step 3: Cross multiply
    141,016.92x = 211,031.16 × 101,079.87
  4. Step 4: Simplify right side
    141,016.92x = 21,331,002,218.75
  5. Step 5: Solve for x
    x = 21,331,002,218.75/141,016.92
  6. Step 6: Final answer
    x = 151,265.55

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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.