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Finding the Fourth Proportional to 175.64, 263.60 and 92.30

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Solution

The fourth proportional to 175.64, 263.60 and 92.30 is: 138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.64 : 263.60 = 92.30 : x
  2. Step 2: Convert to fraction form
    175.64/263.60 = 92.30/x
  3. Step 3: Cross multiply
    175.64x = 263.60 × 92.30
  4. Step 4: Simplify right side
    175.64x = 24,328.50
  5. Step 5: Solve for x
    x = 24,328.50/175.64
  6. Step 6: Final answer
    x = 138.52

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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.