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Finding the Fourth Proportional to 174.66, 261.98 and 113.00

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Solution

The fourth proportional to 174.66, 261.98 and 113.00 is: 169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.66 : 261.98 = 113.00 : x
  2. Step 2: Convert to fraction form
    174.66/261.98 = 113.00/x
  3. Step 3: Cross multiply
    174.66x = 261.98 × 113.00
  4. Step 4: Simplify right side
    174.66x = 29,602.92
  5. Step 5: Solve for x
    x = 29,602.92/174.66
  6. Step 6: Final answer
    x = 169.49

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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.