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Finding the Fourth Proportional to 233.42, 349.88 and 117.95

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Solution

The fourth proportional to 233.42, 349.88 and 117.95 is: 176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.42 : 349.88 = 117.95 : x
  2. Step 2: Convert to fraction form
    233.42/349.88 = 117.95/x
  3. Step 3: Cross multiply
    233.42x = 349.88 × 117.95
  4. Step 4: Simplify right side
    233.42x = 41,266.01
  5. Step 5: Solve for x
    x = 41,266.01/233.42
  6. Step 6: Final answer
    x = 176.79

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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.