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Finding the Fourth Proportional to 158.24, 237.44 and 97.36

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Solution

The fourth proportional to 158.24, 237.44 and 97.36 is: 146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.24 : 237.44 = 97.36 : x
  2. Step 2: Convert to fraction form
    158.24/237.44 = 97.36/x
  3. Step 3: Cross multiply
    158.24x = 237.44 × 97.36
  4. Step 4: Simplify right side
    158.24x = 23,117.16
  5. Step 5: Solve for x
    x = 23,117.16/158.24
  6. Step 6: Final answer
    x = 146.09

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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.