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Finding the Fourth Proportional to 202,493.70, 279,393.57 and 117,560.34

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Solution

The fourth proportional to 202,493.70, 279,393.57 and 117,560.34 is: 162,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,493.70 : 279,393.57 = 117,560.34 : x
  2. Step 2: Convert to fraction form
    202,493.70/279,393.57 = 117,560.34/x
  3. Step 3: Cross multiply
    202,493.70x = 279,393.57 × 117,560.34
  4. Step 4: Simplify right side
    202,493.70x = 32,845,603,083.01
  5. Step 5: Solve for x
    x = 32,845,603,083.01/202,493.70
  6. Step 6: Final answer
    x = 162,205.56

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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.