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Finding the Fourth Proportional to 174.33, 240.65 and 108.93

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Solution

The fourth proportional to 174.33, 240.65 and 108.93 is: 150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.33 : 240.65 = 108.93 : x
  2. Step 2: Convert to fraction form
    174.33/240.65 = 108.93/x
  3. Step 3: Cross multiply
    174.33x = 240.65 × 108.93
  4. Step 4: Simplify right side
    174.33x = 26,214.00
  5. Step 5: Solve for x
    x = 26,214.00/174.33
  6. Step 6: Final answer
    x = 150.37

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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.