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Finding the Fourth Proportional to 68,337.70, 102,506.55 and 41,956.90

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Solution

The fourth proportional to 68,337.70, 102,506.55 and 41,956.90 is: 62,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.70 : 102,506.55 = 41,956.90 : x
  2. Step 2: Convert to fraction form
    68,337.70/102,506.55 = 41,956.90/x
  3. Step 3: Cross multiply
    68,337.70x = 102,506.55 × 41,956.90
  4. Step 4: Simplify right side
    68,337.70x = 4,300,857,067.70
  5. Step 5: Solve for x
    x = 4,300,857,067.70/68,337.70
  6. Step 6: Final answer
    x = 62,935.35

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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.