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Finding the Fourth Proportional to 202,393.04, 279,301.14 and 111,754.64

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Solution

The fourth proportional to 202,393.04, 279,301.14 and 111,754.64 is: 154,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,393.04 : 279,301.14 = 111,754.64 : x
  2. Step 2: Convert to fraction form
    202,393.04/279,301.14 = 111,754.64/x
  3. Step 3: Cross multiply
    202,393.04x = 279,301.14 × 111,754.64
  4. Step 4: Simplify right side
    202,393.04x = 31,213,198,352.29
  5. Step 5: Solve for x
    x = 31,213,198,352.29/202,393.04
  6. Step 6: Final answer
    x = 154,220.71

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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.