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Finding the Fourth Proportional to 158.52, 236.07 and 154.44

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Solution

The fourth proportional to 158.52, 236.07 and 154.44 is: 229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.52 : 236.07 = 154.44 : x
  2. Step 2: Convert to fraction form
    158.52/236.07 = 154.44/x
  3. Step 3: Cross multiply
    158.52x = 236.07 × 154.44
  4. Step 4: Simplify right side
    158.52x = 36,458.65
  5. Step 5: Solve for x
    x = 36,458.65/158.52
  6. Step 6: Final answer
    x = 229.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.