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Finding the Fourth Proportional to 168,463.28, 253,044.60 and 133,646.48

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Solution

The fourth proportional to 168,463.28, 253,044.60 and 133,646.48 is: 200,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,463.28 : 253,044.60 = 133,646.48 : x
  2. Step 2: Convert to fraction form
    168,463.28/253,044.60 = 133,646.48/x
  3. Step 3: Cross multiply
    168,463.28x = 253,044.60 × 133,646.48
  4. Step 4: Simplify right side
    168,463.28x = 33,818,520,073.01
  5. Step 5: Solve for x
    x = 33,818,520,073.01/168,463.28
  6. Step 6: Final answer
    x = 200,747.13

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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.