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Finding the Fourth Proportional to 203,561.64, 280,870.02 and 117,502.44

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Solution

The fourth proportional to 203,561.64, 280,870.02 and 117,502.44 is: 162,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,561.64 : 280,870.02 = 117,502.44 : x
  2. Step 2: Convert to fraction form
    203,561.64/280,870.02 = 117,502.44/x
  3. Step 3: Cross multiply
    203,561.64x = 280,870.02 × 117,502.44
  4. Step 4: Simplify right side
    203,561.64x = 33,002,912,672.85
  5. Step 5: Solve for x
    x = 33,002,912,672.85/203,561.64
  6. Step 6: Final answer
    x = 162,127.37

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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.