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Finding the Fourth Proportional to 233.47, 350.08 and 71.13

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Solution

The fourth proportional to 233.47, 350.08 and 71.13 is: 106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.47 : 350.08 = 71.13 : x
  2. Step 2: Convert to fraction form
    233.47/350.08 = 71.13/x
  3. Step 3: Cross multiply
    233.47x = 350.08 × 71.13
  4. Step 4: Simplify right side
    233.47x = 24,900.56
  5. Step 5: Solve for x
    x = 24,900.56/233.47
  6. Step 6: Final answer
    x = 106.66

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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.