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Finding the Fourth Proportional to 168,567, 252,865.08 and 43,908

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Solution

The fourth proportional to 168,567, 252,865.08 and 43,908 is: 65,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,567 : 252,865.08 = 43,908 : x
  2. Step 2: Convert to fraction form
    168,567/252,865.08 = 43,908/x
  3. Step 3: Cross multiply
    168,567x = 252,865.08 × 43,908
  4. Step 4: Simplify right side
    168,567x = 11,102,799,932.64
  5. Step 5: Solve for x
    x = 11,102,799,932.64/168,567
  6. Step 6: Final answer
    x = 65,865.80

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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.