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Finding the Fourth Proportional to 48,758.80, 73,138.19 and 17,161.42

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Solution

The fourth proportional to 48,758.80, 73,138.19 and 17,161.42 is: 25,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.80 : 73,138.19 = 17,161.42 : x
  2. Step 2: Convert to fraction form
    48,758.80/73,138.19 = 17,161.42/x
  3. Step 3: Cross multiply
    48,758.80x = 73,138.19 × 17,161.42
  4. Step 4: Simplify right side
    48,758.80x = 1,255,155,196.63
  5. Step 5: Solve for x
    x = 1,255,155,196.63/48,758.80
  6. Step 6: Final answer
    x = 25,742.13

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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.