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Finding the Fourth Proportional to 48,738.70, 73,108.05 and 44,218.90

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Solution

The fourth proportional to 48,738.70, 73,108.05 and 44,218.90 is: 66,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.70 : 73,108.05 = 44,218.90 : x
  2. Step 2: Convert to fraction form
    48,738.70/73,108.05 = 44,218.90/x
  3. Step 3: Cross multiply
    48,738.70x = 73,108.05 × 44,218.90
  4. Step 4: Simplify right side
    48,738.70x = 3,232,757,552.15
  5. Step 5: Solve for x
    x = 3,232,757,552.15/48,738.70
  6. Step 6: Final answer
    x = 66,328.35

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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.