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Finding the Fourth Proportional to 158.24, 235.94 and 152.22

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Solution

The fourth proportional to 158.24, 235.94 and 152.22 is: 226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.24 : 235.94 = 152.22 : x
  2. Step 2: Convert to fraction form
    158.24/235.94 = 152.22/x
  3. Step 3: Cross multiply
    158.24x = 235.94 × 152.22
  4. Step 4: Simplify right side
    158.24x = 35,914.79
  5. Step 5: Solve for x
    x = 35,914.79/158.24
  6. Step 6: Final answer
    x = 226.96

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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.