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Finding the Fourth Proportional to 233.56, 322.26 and 155.92

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Solution

The fourth proportional to 233.56, 322.26 and 155.92 is: 215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.56 : 322.26 = 155.92 : x
  2. Step 2: Convert to fraction form
    233.56/322.26 = 155.92/x
  3. Step 3: Cross multiply
    233.56x = 322.26 × 155.92
  4. Step 4: Simplify right side
    233.56x = 50,246.78
  5. Step 5: Solve for x
    x = 50,246.78/233.56
  6. Step 6: Final answer
    x = 215.13

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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.