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Finding the Fourth Proportional to 175.82, 242.66 and 102.17

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Solution

The fourth proportional to 175.82, 242.66 and 102.17 is: 141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.82 : 242.66 = 102.17 : x
  2. Step 2: Convert to fraction form
    175.82/242.66 = 102.17/x
  3. Step 3: Cross multiply
    175.82x = 242.66 × 102.17
  4. Step 4: Simplify right side
    175.82x = 24,793.43
  5. Step 5: Solve for x
    x = 24,793.43/175.82
  6. Step 6: Final answer
    x = 141.02

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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.