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Finding the Fourth Proportional to 100,076.77, 150,166.77 and 43,956.19

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Solution

The fourth proportional to 100,076.77, 150,166.77 and 43,956.19 is: 65,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,076.77 : 150,166.77 = 43,956.19 : x
  2. Step 2: Convert to fraction form
    100,076.77/150,166.77 = 43,956.19/x
  3. Step 3: Cross multiply
    100,076.77x = 150,166.77 × 43,956.19
  4. Step 4: Simplify right side
    100,076.77x = 6,600,759,073.81
  5. Step 5: Solve for x
    x = 6,600,759,073.81/100,076.77
  6. Step 6: Final answer
    x = 65,956.96

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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.