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Finding the Fourth Proportional to 203,882.64, 305,813.16 and 63,625.20

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Solution

The fourth proportional to 203,882.64, 305,813.16 and 63,625.20 is: 95,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,882.64 : 305,813.16 = 63,625.20 : x
  2. Step 2: Convert to fraction form
    203,882.64/305,813.16 = 63,625.20/x
  3. Step 3: Cross multiply
    203,882.64x = 305,813.16 × 63,625.20
  4. Step 4: Simplify right side
    203,882.64x = 19,457,423,467.63
  5. Step 5: Solve for x
    x = 19,457,423,467.63/203,882.64
  6. Step 6: Final answer
    x = 95,434.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.