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Finding the Fourth Proportional to 68,013.35, 102,020.03 and 50,517.35

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Solution

The fourth proportional to 68,013.35, 102,020.03 and 50,517.35 is: 75,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,013.35 : 102,020.03 = 50,517.35 : x
  2. Step 2: Convert to fraction form
    68,013.35/102,020.03 = 50,517.35/x
  3. Step 3: Cross multiply
    68,013.35x = 102,020.03 × 50,517.35
  4. Step 4: Simplify right side
    68,013.35x = 5,153,781,309.93
  5. Step 5: Solve for x
    x = 5,153,781,309.93/68,013.35
  6. Step 6: Final answer
    x = 75,776.03

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1.5x scale

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.