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Finding the Fourth Proportional to 240.64, 332.03 and 141.03

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Solution

The fourth proportional to 240.64, 332.03 and 141.03 is: 194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.64 : 332.03 = 141.03 : x
  2. Step 2: Convert to fraction form
    240.64/332.03 = 141.03/x
  3. Step 3: Cross multiply
    240.64x = 332.03 × 141.03
  4. Step 4: Simplify right side
    240.64x = 46,825.49
  5. Step 5: Solve for x
    x = 46,825.49/240.64
  6. Step 6: Final answer
    x = 194.59

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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.