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Finding the Fourth Proportional to 175.60, 263.33 and 67.33

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Solution

The fourth proportional to 175.60, 263.33 and 67.33 is: 100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.60 : 263.33 = 67.33 : x
  2. Step 2: Convert to fraction form
    175.60/263.33 = 67.33/x
  3. Step 3: Cross multiply
    175.60x = 263.33 × 67.33
  4. Step 4: Simplify right side
    175.60x = 17,728.36
  5. Step 5: Solve for x
    x = 17,728.36/175.60
  6. Step 6: Final answer
    x = 100.96

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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.