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Finding the Fourth Proportional to 238.88, 358.07 and 116.93

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Solution

The fourth proportional to 238.88, 358.07 and 116.93 is: 175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.88 : 358.07 = 116.93 : x
  2. Step 2: Convert to fraction form
    238.88/358.07 = 116.93/x
  3. Step 3: Cross multiply
    238.88x = 358.07 × 116.93
  4. Step 4: Simplify right side
    238.88x = 41,866.75
  5. Step 5: Solve for x
    x = 41,866.75/238.88
  6. Step 6: Final answer
    x = 175.27

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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.