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Finding the Fourth Proportional to 133,267.95, 199,843.61 and 39,755.07

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Solution

The fourth proportional to 133,267.95, 199,843.61 and 39,755.07 is: 59,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,267.95 : 199,843.61 = 39,755.07 : x
  2. Step 2: Convert to fraction form
    133,267.95/199,843.61 = 39,755.07/x
  3. Step 3: Cross multiply
    133,267.95x = 199,843.61 × 39,755.07
  4. Step 4: Simplify right side
    133,267.95x = 7,944,796,505.83
  5. Step 5: Solve for x
    x = 7,944,796,505.83/133,267.95
  6. Step 6: Final answer
    x = 59,615.21

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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.