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Finding the Fourth Proportional to 67,168.16, 100,764.48 and 27,703.36

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Solution

The fourth proportional to 67,168.16, 100,764.48 and 27,703.36 is: 41,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,168.16 : 100,764.48 = 27,703.36 : x
  2. Step 2: Convert to fraction form
    67,168.16/100,764.48 = 27,703.36/x
  3. Step 3: Cross multiply
    67,168.16x = 100,764.48 × 27,703.36
  4. Step 4: Simplify right side
    67,168.16x = 2,791,514,664.65
  5. Step 5: Solve for x
    x = 2,791,514,664.65/67,168.16
  6. Step 6: Final answer
    x = 41,560.09

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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.