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Finding the Fourth Proportional to 239.41, 358.97 and 117.52

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Solution

The fourth proportional to 239.41, 358.97 and 117.52 is: 176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.41 : 358.97 = 117.52 : x
  2. Step 2: Convert to fraction form
    239.41/358.97 = 117.52/x
  3. Step 3: Cross multiply
    239.41x = 358.97 × 117.52
  4. Step 4: Simplify right side
    239.41x = 42,186.15
  5. Step 5: Solve for x
    x = 42,186.15/239.41
  6. Step 6: Final answer
    x = 176.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.