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Finding the Fourth Proportional to 175.90, 263.94 and 94.77

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Solution

The fourth proportional to 175.90, 263.94 and 94.77 is: 142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.90 : 263.94 = 94.77 : x
  2. Step 2: Convert to fraction form
    175.90/263.94 = 94.77/x
  3. Step 3: Cross multiply
    175.90x = 263.94 × 94.77
  4. Step 4: Simplify right side
    175.90x = 25,013.59
  5. Step 5: Solve for x
    x = 25,013.59/175.90
  6. Step 6: Final answer
    x = 142.20

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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.