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Finding the Fourth Proportional to 174.35, 240.40 and 132.98

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Solution

The fourth proportional to 174.35, 240.40 and 132.98 is: 183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.35 : 240.40 = 132.98 : x
  2. Step 2: Convert to fraction form
    174.35/240.40 = 132.98/x
  3. Step 3: Cross multiply
    174.35x = 240.40 × 132.98
  4. Step 4: Simplify right side
    174.35x = 31,967.36
  5. Step 5: Solve for x
    x = 31,967.36/174.35
  6. Step 6: Final answer
    x = 183.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.