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Finding the Fourth Proportional to 242,736.48, 363,853.44 and 92,940.48

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Solution

The fourth proportional to 242,736.48, 363,853.44 and 92,940.48 is: 139,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,736.48 : 363,853.44 = 92,940.48 : x
  2. Step 2: Convert to fraction form
    242,736.48/363,853.44 = 92,940.48/x
  3. Step 3: Cross multiply
    242,736.48x = 363,853.44 × 92,940.48
  4. Step 4: Simplify right side
    242,736.48x = 33,816,713,363.25
  5. Step 5: Solve for x
    x = 33,816,713,363.25/242,736.48
  6. Step 6: Final answer
    x = 139,314.51

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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.