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Finding the Fourth Proportional to 133,103.88, 199,893.78 and 127,752.60

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Solution

The fourth proportional to 133,103.88, 199,893.78 and 127,752.60 is: 191,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,103.88 : 199,893.78 = 127,752.60 : x
  2. Step 2: Convert to fraction form
    133,103.88/199,893.78 = 127,752.60/x
  3. Step 3: Cross multiply
    133,103.88x = 199,893.78 × 127,752.60
  4. Step 4: Simplify right side
    133,103.88x = 25,536,950,118.83
  5. Step 5: Solve for x
    x = 25,536,950,118.83/133,103.88
  6. Step 6: Final answer
    x = 191,857.29

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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.