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Finding the Fourth Proportional to 253.74, 350.01 and 166.26

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Solution

The fourth proportional to 253.74, 350.01 and 166.26 is: 229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.74 : 350.01 = 166.26 : x
  2. Step 2: Convert to fraction form
    253.74/350.01 = 166.26/x
  3. Step 3: Cross multiply
    253.74x = 350.01 × 166.26
  4. Step 4: Simplify right side
    253.74x = 58,192.66
  5. Step 5: Solve for x
    x = 58,192.66/253.74
  6. Step 6: Final answer
    x = 229.34

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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.