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Finding the Fourth Proportional to 229.33, 344.06 and 67.02

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Solution

The fourth proportional to 229.33, 344.06 and 67.02 is: 100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.33 : 344.06 = 67.02 : x
  2. Step 2: Convert to fraction form
    229.33/344.06 = 67.02/x
  3. Step 3: Cross multiply
    229.33x = 344.06 × 67.02
  4. Step 4: Simplify right side
    229.33x = 23,058.90
  5. Step 5: Solve for x
    x = 23,058.90/229.33
  6. Step 6: Final answer
    x = 100.55

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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.