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Finding the Fourth Proportional to 368.44, 552.74 and 124.95

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Solution

The fourth proportional to 368.44, 552.74 and 124.95 is: 187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.44 : 552.74 = 124.95 : x
  2. Step 2: Convert to fraction form
    368.44/552.74 = 124.95/x
  3. Step 3: Cross multiply
    368.44x = 552.74 × 124.95
  4. Step 4: Simplify right side
    368.44x = 69,061.47
  5. Step 5: Solve for x
    x = 69,061.47/368.44
  6. Step 6: Final answer
    x = 187.44

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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.