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Finding the Fourth Proportional to 247,883.82, 371,822.76 and 90,110.94

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Solution

The fourth proportional to 247,883.82, 371,822.76 and 90,110.94 is: 135,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,883.82 : 371,822.76 = 90,110.94 : x
  2. Step 2: Convert to fraction form
    247,883.82/371,822.76 = 90,110.94/x
  3. Step 3: Cross multiply
    247,883.82x = 371,822.76 × 90,110.94
  4. Step 4: Simplify right side
    247,883.82x = 33,505,298,416.99
  5. Step 5: Solve for x
    x = 33,505,298,416.99/247,883.82
  6. Step 6: Final answer
    x = 135,165.33

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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.