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Finding the Fourth Proportional to 233.83, 322.74 and 140.58

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Solution

The fourth proportional to 233.83, 322.74 and 140.58 is: 194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.83 : 322.74 = 140.58 : x
  2. Step 2: Convert to fraction form
    233.83/322.74 = 140.58/x
  3. Step 3: Cross multiply
    233.83x = 322.74 × 140.58
  4. Step 4: Simplify right side
    233.83x = 45,369.18
  5. Step 5: Solve for x
    x = 45,369.18/233.83
  6. Step 6: Final answer
    x = 194.03

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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.