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Finding the Fourth Proportional to 243,747.97, 365,626.10 and 66,250.64

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Solution

The fourth proportional to 243,747.97, 365,626.10 and 66,250.64 is: 99,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,747.97 : 365,626.10 = 66,250.64 : x
  2. Step 2: Convert to fraction form
    243,747.97/365,626.10 = 66,250.64/x
  3. Step 3: Cross multiply
    243,747.97x = 365,626.10 × 66,250.64
  4. Step 4: Simplify right side
    243,747.97x = 24,222,964,205.40
  5. Step 5: Solve for x
    x = 24,222,964,205.40/243,747.97
  6. Step 6: Final answer
    x = 99,377.09

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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.