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Finding the Fourth Proportional to 68,002.70, 101,904.45 and 60,982.70

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Solution

The fourth proportional to 68,002.70, 101,904.45 and 60,982.70 is: 91,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002.70 : 101,904.45 = 60,982.70 : x
  2. Step 2: Convert to fraction form
    68,002.70/101,904.45 = 60,982.70/x
  3. Step 3: Cross multiply
    68,002.70x = 101,904.45 × 60,982.70
  4. Step 4: Simplify right side
    68,002.70x = 6,214,408,503.02
  5. Step 5: Solve for x
    x = 6,214,408,503.02/68,002.70
  6. Step 6: Final answer
    x = 91,384.73

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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.