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Finding the Fourth Proportional to 110,786.59, 166,203.51 and 50,786.11

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Solution

The fourth proportional to 110,786.59, 166,203.51 and 50,786.11 is: 76,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,786.59 : 166,203.51 = 50,786.11 : x
  2. Step 2: Convert to fraction form
    110,786.59/166,203.51 = 50,786.11/x
  3. Step 3: Cross multiply
    110,786.59x = 166,203.51 × 50,786.11
  4. Step 4: Simplify right side
    110,786.59x = 8,440,829,741.25
  5. Step 5: Solve for x
    x = 8,440,829,741.25/110,786.59
  6. Step 6: Final answer
    x = 76,190.00

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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.