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Finding the Fourth Proportional to 269,168.00, 403,419.49 and 136,086.21

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Solution

The fourth proportional to 269,168.00, 403,419.49 and 136,086.21 is: 203,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,168.00 : 403,419.49 = 136,086.21 : x
  2. Step 2: Convert to fraction form
    269,168.00/403,419.49 = 136,086.21/x
  3. Step 3: Cross multiply
    269,168.00x = 403,419.49 × 136,086.21
  4. Step 4: Simplify right side
    269,168.00x = 54,899,829,094.02
  5. Step 5: Solve for x
    x = 54,899,829,094.02/269,168.00
  6. Step 6: Final answer
    x = 203,961.21

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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.