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Finding the Fourth Proportional to 238.63, 358.01 and 116.75

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Solution

The fourth proportional to 238.63, 358.01 and 116.75 is: 175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.63 : 358.01 = 116.75 : x
  2. Step 2: Convert to fraction form
    238.63/358.01 = 116.75/x
  3. Step 3: Cross multiply
    238.63x = 358.01 × 116.75
  4. Step 4: Simplify right side
    238.63x = 41,798.76
  5. Step 5: Solve for x
    x = 41,798.76/238.63
  6. Step 6: Final answer
    x = 175.16

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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.