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Finding the Fourth Proportional to 202,794.28, 279,848.77 and 110,910.43

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Solution

The fourth proportional to 202,794.28, 279,848.77 and 110,910.43 is: 153,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,794.28 : 279,848.77 = 110,910.43 : x
  2. Step 2: Convert to fraction form
    202,794.28/279,848.77 = 110,910.43/x
  3. Step 3: Cross multiply
    202,794.28x = 279,848.77 × 110,910.43
  4. Step 4: Simplify right side
    202,794.28x = 31,038,147,415.67
  5. Step 5: Solve for x
    x = 31,038,147,415.67/202,794.28
  6. Step 6: Final answer
    x = 153,052.38

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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.