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Finding the Fourth Proportional to 368.44, 552.69 and 124.97

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Solution

The fourth proportional to 368.44, 552.69 and 124.97 is: 187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.44 : 552.69 = 124.97 : x
  2. Step 2: Convert to fraction form
    368.44/552.69 = 124.97/x
  3. Step 3: Cross multiply
    368.44x = 552.69 × 124.97
  4. Step 4: Simplify right side
    368.44x = 69,066.91
  5. Step 5: Solve for x
    x = 69,066.91/368.44
  6. Step 6: Final answer
    x = 187.46

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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.