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Finding the Fourth Proportional to 73,347.99, 110,036.13 and 31,227.30

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Solution

The fourth proportional to 73,347.99, 110,036.13 and 31,227.30 is: 46,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,347.99 : 110,036.13 = 31,227.30 : x
  2. Step 2: Convert to fraction form
    73,347.99/110,036.13 = 31,227.30/x
  3. Step 3: Cross multiply
    73,347.99x = 110,036.13 × 31,227.30
  4. Step 4: Simplify right side
    73,347.99x = 3,436,131,242.35
  5. Step 5: Solve for x
    x = 3,436,131,242.35/73,347.99
  6. Step 6: Final answer
    x = 46,846.97

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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.