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Finding the Fourth Proportional to 168,308, 252,463.92 and 43,641.44

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Solution

The fourth proportional to 168,308, 252,463.92 and 43,641.44 is: 65,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,308 : 252,463.92 = 43,641.44 : x
  2. Step 2: Convert to fraction form
    168,308/252,463.92 = 43,641.44/x
  3. Step 3: Cross multiply
    168,308x = 252,463.92 × 43,641.44
  4. Step 4: Simplify right side
    168,308x = 11,017,889,016.84
  5. Step 5: Solve for x
    x = 11,017,889,016.84/168,308
  6. Step 6: Final answer
    x = 65,462.66

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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.