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Finding the Fourth Proportional to 179.26, 268.62 and 125.02

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Solution

The fourth proportional to 179.26, 268.62 and 125.02 is: 187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.26 : 268.62 = 125.02 : x
  2. Step 2: Convert to fraction form
    179.26/268.62 = 125.02/x
  3. Step 3: Cross multiply
    179.26x = 268.62 × 125.02
  4. Step 4: Simplify right side
    179.26x = 33,582.87
  5. Step 5: Solve for x
    x = 33,582.87/179.26
  6. Step 6: Final answer
    x = 187.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.