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Finding the Fourth Proportional to 150.84, 226.26 and 140.04

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Solution

The fourth proportional to 150.84, 226.26 and 140.04 is: 210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.84 : 226.26 = 140.04 : x
  2. Step 2: Convert to fraction form
    150.84/226.26 = 140.04/x
  3. Step 3: Cross multiply
    150.84x = 226.26 × 140.04
  4. Step 4: Simplify right side
    150.84x = 31,685.45
  5. Step 5: Solve for x
    x = 31,685.45/150.84
  6. Step 6: Final answer
    x = 210.06

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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.