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Finding the Fourth Proportional to 217,676, 300,505.52 and 169,169.52

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Solution

The fourth proportional to 217,676, 300,505.52 and 169,169.52 is: 233,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,676 : 300,505.52 = 169,169.52 : x
  2. Step 2: Convert to fraction form
    217,676/300,505.52 = 169,169.52/x
  3. Step 3: Cross multiply
    217,676x = 300,505.52 × 169,169.52
  4. Step 4: Simplify right side
    217,676x = 50,836,374,575.75
  5. Step 5: Solve for x
    x = 50,836,374,575.75/217,676
  6. Step 6: Final answer
    x = 233,541.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.