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Finding the Fourth Proportional to 242,380.26, 363,736.48 and 84,608.74

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Solution

The fourth proportional to 242,380.26, 363,736.48 and 84,608.74 is: 126,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,380.26 : 363,736.48 = 84,608.74 : x
  2. Step 2: Convert to fraction form
    242,380.26/363,736.48 = 84,608.74/x
  3. Step 3: Cross multiply
    242,380.26x = 363,736.48 × 84,608.74
  4. Step 4: Simplify right side
    242,380.26x = 30,775,285,264.84
  5. Step 5: Solve for x
    x = 30,775,285,264.84/242,380.26
  6. Step 6: Final answer
    x = 126,971.09

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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.