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Finding the Fourth Proportional to 175.68, 263.16 and 94.40

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Solution

The fourth proportional to 175.68, 263.16 and 94.40 is: 141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.68 : 263.16 = 94.40 : x
  2. Step 2: Convert to fraction form
    175.68/263.16 = 94.40/x
  3. Step 3: Cross multiply
    175.68x = 263.16 × 94.40
  4. Step 4: Simplify right side
    175.68x = 24,842.30
  5. Step 5: Solve for x
    x = 24,842.30/175.68
  6. Step 6: Final answer
    x = 141.41

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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.