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Finding the Fourth Proportional to 179.71, 248.01 and 114.23

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Solution

The fourth proportional to 179.71, 248.01 and 114.23 is: 157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.71 : 248.01 = 114.23 : x
  2. Step 2: Convert to fraction form
    179.71/248.01 = 114.23/x
  3. Step 3: Cross multiply
    179.71x = 248.01 × 114.23
  4. Step 4: Simplify right side
    179.71x = 28,330.18
  5. Step 5: Solve for x
    x = 28,330.18/179.71
  6. Step 6: Final answer
    x = 157.64

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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.