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Finding the Fourth Proportional to 174.03, 261.22 and 92.87

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Solution

The fourth proportional to 174.03, 261.22 and 92.87 is: 139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.03 : 261.22 = 92.87 : x
  2. Step 2: Convert to fraction form
    174.03/261.22 = 92.87/x
  3. Step 3: Cross multiply
    174.03x = 261.22 × 92.87
  4. Step 4: Simplify right side
    174.03x = 24,259.50
  5. Step 5: Solve for x
    x = 24,259.50/174.03
  6. Step 6: Final answer
    x = 139.40

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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.