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Finding the Fourth Proportional to 158.06, 235.72 and 151.52

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Solution

The fourth proportional to 158.06, 235.72 and 151.52 is: 225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.06 : 235.72 = 151.52 : x
  2. Step 2: Convert to fraction form
    158.06/235.72 = 151.52/x
  3. Step 3: Cross multiply
    158.06x = 235.72 × 151.52
  4. Step 4: Simplify right side
    158.06x = 35,716.29
  5. Step 5: Solve for x
    x = 35,716.29/158.06
  6. Step 6: Final answer
    x = 225.97

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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.