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Finding the Fourth Proportional to 73,407.98, 110,128.38 and 23,491.08

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Solution

The fourth proportional to 73,407.98, 110,128.38 and 23,491.08 is: 35,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,407.98 : 110,128.38 = 23,491.08 : x
  2. Step 2: Convert to fraction form
    73,407.98/110,128.38 = 23,491.08/x
  3. Step 3: Cross multiply
    73,407.98x = 110,128.38 × 23,491.08
  4. Step 4: Simplify right side
    73,407.98x = 2,587,034,584.85
  5. Step 5: Solve for x
    x = 2,587,034,584.85/73,407.98
  6. Step 6: Final answer
    x = 35,241.87

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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.