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Finding the Fourth Proportional to 110,400, 152,352.03 and 60,099

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Solution

The fourth proportional to 110,400, 152,352.03 and 60,099 is: 82,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,400 : 152,352.03 = 60,099 : x
  2. Step 2: Convert to fraction form
    110,400/152,352.03 = 60,099/x
  3. Step 3: Cross multiply
    110,400x = 152,352.03 × 60,099
  4. Step 4: Simplify right side
    110,400x = 9,156,204,650.97
  5. Step 5: Solve for x
    x = 9,156,204,650.97/110,400
  6. Step 6: Final answer
    x = 82,936.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.