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Finding the Fourth Proportional to 175.65, 263.06 and 93.19

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Solution

The fourth proportional to 175.65, 263.06 and 93.19 is: 139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.65 : 263.06 = 93.19 : x
  2. Step 2: Convert to fraction form
    175.65/263.06 = 93.19/x
  3. Step 3: Cross multiply
    175.65x = 263.06 × 93.19
  4. Step 4: Simplify right side
    175.65x = 24,514.56
  5. Step 5: Solve for x
    x = 24,514.56/175.65
  6. Step 6: Final answer
    x = 139.56

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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.