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Finding the Fourth Proportional to 48,759.98, 73,133.49 and 19,169.87

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Solution

The fourth proportional to 48,759.98, 73,133.49 and 19,169.87 is: 28,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,759.98 : 73,133.49 = 19,169.87 : x
  2. Step 2: Convert to fraction form
    48,759.98/73,133.49 = 19,169.87/x
  3. Step 3: Cross multiply
    48,759.98x = 73,133.49 × 19,169.87
  4. Step 4: Simplify right side
    48,759.98x = 1,401,959,495.95
  5. Step 5: Solve for x
    x = 1,401,959,495.95/48,759.98
  6. Step 6: Final answer
    x = 28,752.26

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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.