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Finding the Fourth Proportional to 233.45, 350.14 and 71.11

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Solution

The fourth proportional to 233.45, 350.14 and 71.11 is: 106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.45 : 350.14 = 71.11 : x
  2. Step 2: Convert to fraction form
    233.45/350.14 = 71.11/x
  3. Step 3: Cross multiply
    233.45x = 350.14 × 71.11
  4. Step 4: Simplify right side
    233.45x = 24,898.46
  5. Step 5: Solve for x
    x = 24,898.46/233.45
  6. Step 6: Final answer
    x = 106.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.