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Finding the Fourth Proportional to 110,994.92, 166,327.42 and 66,569.64

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Solution

The fourth proportional to 110,994.92, 166,327.42 and 66,569.64 is: 99,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,994.92 : 166,327.42 = 66,569.64 : x
  2. Step 2: Convert to fraction form
    110,994.92/166,327.42 = 66,569.64/x
  3. Step 3: Cross multiply
    110,994.92x = 166,327.42 × 66,569.64
  4. Step 4: Simplify right side
    110,994.92x = 11,072,356,471.53
  5. Step 5: Solve for x
    x = 11,072,356,471.53/110,994.92
  6. Step 6: Final answer
    x = 99,755.52

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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.