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Finding the Fourth Proportional to 132,584.13, 198,900.93 and 43,900.07

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Solution

The fourth proportional to 132,584.13, 198,900.93 and 43,900.07 is: 65,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,584.13 : 198,900.93 = 43,900.07 : x
  2. Step 2: Convert to fraction form
    132,584.13/198,900.93 = 43,900.07/x
  3. Step 3: Cross multiply
    132,584.13x = 198,900.93 × 43,900.07
  4. Step 4: Simplify right side
    132,584.13x = 8,731,763,755.56
  5. Step 5: Solve for x
    x = 8,731,763,755.56/132,584.13
  6. Step 6: Final answer
    x = 65,858.29

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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.