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Finding the Fourth Proportional to 175.86, 263.07 and 118.74

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Solution

The fourth proportional to 175.86, 263.07 and 118.74 is: 177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.86 : 263.07 = 118.74 : x
  2. Step 2: Convert to fraction form
    175.86/263.07 = 118.74/x
  3. Step 3: Cross multiply
    175.86x = 263.07 × 118.74
  4. Step 4: Simplify right side
    175.86x = 31,236.93
  5. Step 5: Solve for x
    x = 31,236.93/175.86
  6. Step 6: Final answer
    x = 177.62

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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.