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Finding the Fourth Proportional to 242,910.06, 364,375.98 and 74,418.06

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Solution

The fourth proportional to 242,910.06, 364,375.98 and 74,418.06 is: 111,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,910.06 : 364,375.98 = 74,418.06 : x
  2. Step 2: Convert to fraction form
    242,910.06/364,375.98 = 74,418.06/x
  3. Step 3: Cross multiply
    242,910.06x = 364,375.98 × 74,418.06
  4. Step 4: Simplify right side
    242,910.06x = 27,116,153,542.20
  5. Step 5: Solve for x
    x = 27,116,153,542.20/242,910.06
  6. Step 6: Final answer
    x = 111,630.43

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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.