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Finding the Fourth Proportional to 179.77, 269.50 and 152.53

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Solution

The fourth proportional to 179.77, 269.50 and 152.53 is: 228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.77 : 269.50 = 152.53 : x
  2. Step 2: Convert to fraction form
    179.77/269.50 = 152.53/x
  3. Step 3: Cross multiply
    179.77x = 269.50 × 152.53
  4. Step 4: Simplify right side
    179.77x = 41,105.49
  5. Step 5: Solve for x
    x = 41,105.49/179.77
  6. Step 6: Final answer
    x = 228.66

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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.