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Finding the Fourth Proportional to 233.98, 322.82 and 135.71

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Solution

The fourth proportional to 233.98, 322.82 and 135.71 is: 187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.98 : 322.82 = 135.71 : x
  2. Step 2: Convert to fraction form
    233.98/322.82 = 135.71/x
  3. Step 3: Cross multiply
    233.98x = 322.82 × 135.71
  4. Step 4: Simplify right side
    233.98x = 43,809.90
  5. Step 5: Solve for x
    x = 43,809.90/233.98
  6. Step 6: Final answer
    x = 187.24

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