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Finding the Fourth Proportional to 175.77, 263.39 and 114.95

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Solution

The fourth proportional to 175.77, 263.39 and 114.95 is: 172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.77 : 263.39 = 114.95 : x
  2. Step 2: Convert to fraction form
    175.77/263.39 = 114.95/x
  3. Step 3: Cross multiply
    175.77x = 263.39 × 114.95
  4. Step 4: Simplify right side
    175.77x = 30,276.76
  5. Step 5: Solve for x
    x = 30,276.76/175.77
  6. Step 6: Final answer
    x = 172.25

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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.