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Finding the Fourth Proportional to 175.76, 263.58 and 67.46

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Solution

The fourth proportional to 175.76, 263.58 and 67.46 is: 101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.76 : 263.58 = 67.46 : x
  2. Step 2: Convert to fraction form
    175.76/263.58 = 67.46/x
  3. Step 3: Cross multiply
    175.76x = 263.58 × 67.46
  4. Step 4: Simplify right side
    175.76x = 17,781.11
  5. Step 5: Solve for x
    x = 17,781.11/175.76
  6. Step 6: Final answer
    x = 101.17

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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.