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Finding the Fourth Proportional to 48,908.80, 73,363.20 and 48,252.70

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Solution

The fourth proportional to 48,908.80, 73,363.20 and 48,252.70 is: 72,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,908.80 : 73,363.20 = 48,252.70 : x
  2. Step 2: Convert to fraction form
    48,908.80/73,363.20 = 48,252.70/x
  3. Step 3: Cross multiply
    48,908.80x = 73,363.20 × 48,252.70
  4. Step 4: Simplify right side
    48,908.80x = 3,539,972,480.64
  5. Step 5: Solve for x
    x = 3,539,972,480.64/48,908.80
  6. Step 6: Final answer
    x = 72,379.05

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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.