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Finding the Fourth Proportional to 368.04, 552.12 and 124.56

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Solution

The fourth proportional to 368.04, 552.12 and 124.56 is: 186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.04 : 552.12 = 124.56 : x
  2. Step 2: Convert to fraction form
    368.04/552.12 = 124.56/x
  3. Step 3: Cross multiply
    368.04x = 552.12 × 124.56
  4. Step 4: Simplify right side
    368.04x = 68,772.07
  5. Step 5: Solve for x
    x = 68,772.07/368.04
  6. Step 6: Final answer
    x = 186.86

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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.