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Finding the Fourth Proportional to 233.41, 349.54 and 117.91

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Solution

The fourth proportional to 233.41, 349.54 and 117.91 is: 176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.41 : 349.54 = 117.91 : x
  2. Step 2: Convert to fraction form
    233.41/349.54 = 117.91/x
  3. Step 3: Cross multiply
    233.41x = 349.54 × 117.91
  4. Step 4: Simplify right side
    233.41x = 41,212.76
  5. Step 5: Solve for x
    x = 41,212.76/233.41
  6. Step 6: Final answer
    x = 176.57

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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.