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Finding the Fourth Proportional to 267,647.72, 369,320.13 and 146,757.20

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Solution

The fourth proportional to 267,647.72, 369,320.13 and 146,757.20 is: 202,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,647.72 : 369,320.13 = 146,757.20 : x
  2. Step 2: Convert to fraction form
    267,647.72/369,320.13 = 146,757.20/x
  3. Step 3: Cross multiply
    267,647.72x = 369,320.13 × 146,757.20
  4. Step 4: Simplify right side
    267,647.72x = 54,200,388,182.44
  5. Step 5: Solve for x
    x = 54,200,388,182.44/267,647.72
  6. Step 6: Final answer
    x = 202,506.44

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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.