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Finding the Fourth Proportional to 238.84, 357.96 and 117.04

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Solution

The fourth proportional to 238.84, 357.96 and 117.04 is: 175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.84 : 357.96 = 117.04 : x
  2. Step 2: Convert to fraction form
    238.84/357.96 = 117.04/x
  3. Step 3: Cross multiply
    238.84x = 357.96 × 117.04
  4. Step 4: Simplify right side
    238.84x = 41,895.64
  5. Step 5: Solve for x
    x = 41,895.64/238.84
  6. Step 6: Final answer
    x = 175.41

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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.