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Finding the Fourth Proportional to 175.19, 263.25 and 106.74

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Solution

The fourth proportional to 175.19, 263.25 and 106.74 is: 160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.19 : 263.25 = 106.74 : x
  2. Step 2: Convert to fraction form
    175.19/263.25 = 106.74/x
  3. Step 3: Cross multiply
    175.19x = 263.25 × 106.74
  4. Step 4: Simplify right side
    175.19x = 28,099.31
  5. Step 5: Solve for x
    x = 28,099.31/175.19
  6. Step 6: Final answer
    x = 160.40

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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.