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Finding the Fourth Proportional to 179.64, 248.04 and 165.06

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Solution

The fourth proportional to 179.64, 248.04 and 165.06 is: 227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.64 : 248.04 = 165.06 : x
  2. Step 2: Convert to fraction form
    179.64/248.04 = 165.06/x
  3. Step 3: Cross multiply
    179.64x = 248.04 × 165.06
  4. Step 4: Simplify right side
    179.64x = 40,941.48
  5. Step 5: Solve for x
    x = 40,941.48/179.64
  6. Step 6: Final answer
    x = 227.91

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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.