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Finding the Fourth Proportional to 73,462.91, 110,194.35 and 20,865.56

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Solution

The fourth proportional to 73,462.91, 110,194.35 and 20,865.56 is: 31,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,462.91 : 110,194.35 = 20,865.56 : x
  2. Step 2: Convert to fraction form
    73,462.91/110,194.35 = 20,865.56/x
  3. Step 3: Cross multiply
    73,462.91x = 110,194.35 × 20,865.56
  4. Step 4: Simplify right side
    73,462.91x = 2,299,266,270.61
  5. Step 5: Solve for x
    x = 2,299,266,270.61/73,462.91
  6. Step 6: Final answer
    x = 31,298.33

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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.