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Finding the Fourth Proportional to 368.39, 552.54 and 94.48

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Solution

The fourth proportional to 368.39, 552.54 and 94.48 is: 141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.39 : 552.54 = 94.48 : x
  2. Step 2: Convert to fraction form
    368.39/552.54 = 94.48/x
  3. Step 3: Cross multiply
    368.39x = 552.54 × 94.48
  4. Step 4: Simplify right side
    368.39x = 52,202.13
  5. Step 5: Solve for x
    x = 52,202.13/368.39
  6. Step 6: Final answer
    x = 141.71

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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.