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Finding the Fourth Proportional to 175.68, 263.50 and 107.19

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Solution

The fourth proportional to 175.68, 263.50 and 107.19 is: 160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.68 : 263.50 = 107.19 : x
  2. Step 2: Convert to fraction form
    175.68/263.50 = 107.19/x
  3. Step 3: Cross multiply
    175.68x = 263.50 × 107.19
  4. Step 4: Simplify right side
    175.68x = 28,244.57
  5. Step 5: Solve for x
    x = 28,244.57/175.68
  6. Step 6: Final answer
    x = 160.77

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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.