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Finding the Fourth Proportional to 368.02, 552.10 and 124.59

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Solution

The fourth proportional to 368.02, 552.10 and 124.59 is: 186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.02 : 552.10 = 124.59 : x
  2. Step 2: Convert to fraction form
    368.02/552.10 = 124.59/x
  3. Step 3: Cross multiply
    368.02x = 552.10 × 124.59
  4. Step 4: Simplify right side
    368.02x = 68,786.14
  5. Step 5: Solve for x
    x = 68,786.14/368.02
  6. Step 6: Final answer
    x = 186.91

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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.