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Finding the Fourth Proportional to 91,469.44, 137,204.17 and 60,297.40

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Solution

The fourth proportional to 91,469.44, 137,204.17 and 60,297.40 is: 90,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,469.44 : 137,204.17 = 60,297.40 : x
  2. Step 2: Convert to fraction form
    91,469.44/137,204.17 = 60,297.40/x
  3. Step 3: Cross multiply
    91,469.44x = 137,204.17 × 60,297.40
  4. Step 4: Simplify right side
    91,469.44x = 8,273,054,720.16
  5. Step 5: Solve for x
    x = 8,273,054,720.16/91,469.44
  6. Step 6: Final answer
    x = 90,446.11

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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.