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Finding the Fourth Proportional to 174.16, 261.29 and 104.83

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Solution

The fourth proportional to 174.16, 261.29 and 104.83 is: 157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.16 : 261.29 = 104.83 : x
  2. Step 2: Convert to fraction form
    174.16/261.29 = 104.83/x
  3. Step 3: Cross multiply
    174.16x = 261.29 × 104.83
  4. Step 4: Simplify right side
    174.16x = 27,389.59
  5. Step 5: Solve for x
    x = 27,389.59/174.16
  6. Step 6: Final answer
    x = 157.27

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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.