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Finding the Fourth Proportional to 233.99, 322.60 and 168.38

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Solution

The fourth proportional to 233.99, 322.60 and 168.38 is: 232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.99 : 322.60 = 168.38 : x
  2. Step 2: Convert to fraction form
    233.99/322.60 = 168.38/x
  3. Step 3: Cross multiply
    233.99x = 322.60 × 168.38
  4. Step 4: Simplify right side
    233.99x = 54,319.39
  5. Step 5: Solve for x
    x = 54,319.39/233.99
  6. Step 6: Final answer
    x = 232.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.