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Finding the Fourth Proportional to 48,769.80, 68,323.80 and 48,769.80

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Solution

The fourth proportional to 48,769.80, 68,323.80 and 48,769.80 is: 68,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.80 : 68,323.80 = 48,769.80 : x
  2. Step 2: Convert to fraction form
    48,769.80/68,323.80 = 48,769.80/x
  3. Step 3: Cross multiply
    48,769.80x = 68,323.80 × 48,769.80
  4. Step 4: Simplify right side
    48,769.80x = 3,332,138,061.24
  5. Step 5: Solve for x
    x = 3,332,138,061.24/48,769.80
  6. Step 6: Final answer
    x = 68,323.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.