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Finding the Fourth Proportional to 73,784.98, 110,687.77 and 36,345.36

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Solution

The fourth proportional to 73,784.98, 110,687.77 and 36,345.36 is: 54,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,784.98 : 110,687.77 = 36,345.36 : x
  2. Step 2: Convert to fraction form
    73,784.98/110,687.77 = 36,345.36/x
  3. Step 3: Cross multiply
    73,784.98x = 110,687.77 × 36,345.36
  4. Step 4: Simplify right side
    73,784.98x = 4,022,986,481.70
  5. Step 5: Solve for x
    x = 4,022,986,481.70/73,784.98
  6. Step 6: Final answer
    x = 54,523.11

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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.