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Finding the Fourth Proportional to 238.98, 358.53 and 94.59

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Solution

The fourth proportional to 238.98, 358.53 and 94.59 is: 141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.98 : 358.53 = 94.59 : x
  2. Step 2: Convert to fraction form
    238.98/358.53 = 94.59/x
  3. Step 3: Cross multiply
    238.98x = 358.53 × 94.59
  4. Step 4: Simplify right side
    238.98x = 33,913.35
  5. Step 5: Solve for x
    x = 33,913.35/238.98
  6. Step 6: Final answer
    x = 141.91

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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.