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Finding the Fourth Proportional to 110,943.78, 166,399.95 and 36,065.00

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Solution

The fourth proportional to 110,943.78, 166,399.95 and 36,065.00 is: 54,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,943.78 : 166,399.95 = 36,065.00 : x
  2. Step 2: Convert to fraction form
    110,943.78/166,399.95 = 36,065.00/x
  3. Step 3: Cross multiply
    110,943.78x = 166,399.95 × 36,065.00
  4. Step 4: Simplify right side
    110,943.78x = 6,001,213,507.70
  5. Step 5: Solve for x
    x = 6,001,213,507.70/110,943.78
  6. Step 6: Final answer
    x = 54,092.39

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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.