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Finding the Fourth Proportional to 74,299.99, 111,424.07 and 32,724.31

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Solution

The fourth proportional to 74,299.99, 111,424.07 and 32,724.31 is: 49,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,299.99 : 111,424.07 = 32,724.31 : x
  2. Step 2: Convert to fraction form
    74,299.99/111,424.07 = 32,724.31/x
  3. Step 3: Cross multiply
    74,299.99x = 111,424.07 × 32,724.31
  4. Step 4: Simplify right side
    74,299.99x = 3,646,275,644.52
  5. Step 5: Solve for x
    x = 3,646,275,644.52/74,299.99
  6. Step 6: Final answer
    x = 49,075.05

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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.