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Finding the Fourth Proportional to 175.40, 263.16 and 106.98

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Solution

The fourth proportional to 175.40, 263.16 and 106.98 is: 160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.40 : 263.16 = 106.98 : x
  2. Step 2: Convert to fraction form
    175.40/263.16 = 106.98/x
  3. Step 3: Cross multiply
    175.40x = 263.16 × 106.98
  4. Step 4: Simplify right side
    175.40x = 28,152.86
  5. Step 5: Solve for x
    x = 28,152.86/175.40
  6. Step 6: Final answer
    x = 160.51

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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.