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Finding the Fourth Proportional to 202,324.99, 279,208.50 and 111,680.98

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Solution

The fourth proportional to 202,324.99, 279,208.50 and 111,680.98 is: 154,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,324.99 : 279,208.50 = 111,680.98 : x
  2. Step 2: Convert to fraction form
    202,324.99/279,208.50 = 111,680.98/x
  3. Step 3: Cross multiply
    202,324.99x = 279,208.50 × 111,680.98
  4. Step 4: Simplify right side
    202,324.99x = 31,182,278,904.33
  5. Step 5: Solve for x
    x = 31,182,278,904.33/202,324.99
  6. Step 6: Final answer
    x = 154,119.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.