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Finding the Fourth Proportional to 174.07, 261.01 and 116.66

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Solution

The fourth proportional to 174.07, 261.01 and 116.66 is: 174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.07 : 261.01 = 116.66 : x
  2. Step 2: Convert to fraction form
    174.07/261.01 = 116.66/x
  3. Step 3: Cross multiply
    174.07x = 261.01 × 116.66
  4. Step 4: Simplify right side
    174.07x = 30,448.10
  5. Step 5: Solve for x
    x = 30,448.10/174.07
  6. Step 6: Final answer
    x = 174.92

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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.