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Finding the Fourth Proportional to 150.87, 226.50 and 116.66

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Solution

The fourth proportional to 150.87, 226.50 and 116.66 is: 175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.87 : 226.50 = 116.66 : x
  2. Step 2: Convert to fraction form
    150.87/226.50 = 116.66/x
  3. Step 3: Cross multiply
    150.87x = 226.50 × 116.66
  4. Step 4: Simplify right side
    150.87x = 26,423.49
  5. Step 5: Solve for x
    x = 26,423.49/150.87
  6. Step 6: Final answer
    x = 175.14

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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.