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Finding the Fourth Proportional to 132,605.10, 198,923.04 and 43,859.27

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Solution

The fourth proportional to 132,605.10, 198,923.04 and 43,859.27 is: 65,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,605.10 : 198,923.04 = 43,859.27 : x
  2. Step 2: Convert to fraction form
    132,605.10/198,923.04 = 43,859.27/x
  3. Step 3: Cross multiply
    132,605.10x = 198,923.04 × 43,859.27
  4. Step 4: Simplify right side
    132,605.10x = 8,724,619,817.89
  5. Step 5: Solve for x
    x = 8,724,619,817.89/132,605.10
  6. Step 6: Final answer
    x = 65,794.00

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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.