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Finding the Fourth Proportional to 174.54, 240.61 and 133.00

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Solution

The fourth proportional to 174.54, 240.61 and 133.00 is: 183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.54 : 240.61 = 133.00 : x
  2. Step 2: Convert to fraction form
    174.54/240.61 = 133.00/x
  3. Step 3: Cross multiply
    174.54x = 240.61 × 133.00
  4. Step 4: Simplify right side
    174.54x = 32,001.95
  5. Step 5: Solve for x
    x = 32,001.95/174.54
  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.