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Finding the Fourth Proportional to 175.62, 262.01 and 159.90

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Solution

The fourth proportional to 175.62, 262.01 and 159.90 is: 238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.62 : 262.01 = 159.90 : x
  2. Step 2: Convert to fraction form
    175.62/262.01 = 159.90/x
  3. Step 3: Cross multiply
    175.62x = 262.01 × 159.90
  4. Step 4: Simplify right side
    175.62x = 41,895.40
  5. Step 5: Solve for x
    x = 41,895.40/175.62
  6. Step 6: Final answer
    x = 238.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.