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Finding the Fourth Proportional to 150.13, 224.56 and 119.76

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Solution

The fourth proportional to 150.13, 224.56 and 119.76 is: 179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.13 : 224.56 = 119.76 : x
  2. Step 2: Convert to fraction form
    150.13/224.56 = 119.76/x
  3. Step 3: Cross multiply
    150.13x = 224.56 × 119.76
  4. Step 4: Simplify right side
    150.13x = 26,893.31
  5. Step 5: Solve for x
    x = 26,893.31/150.13
  6. Step 6: Final answer
    x = 179.13

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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.