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Finding the Fourth Proportional to 72,834.69, 109,252.04 and 26,120.37

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Solution

The fourth proportional to 72,834.69, 109,252.04 and 26,120.37 is: 39,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834.69 : 109,252.04 = 26,120.37 : x
  2. Step 2: Convert to fraction form
    72,834.69/109,252.04 = 26,120.37/x
  3. Step 3: Cross multiply
    72,834.69x = 109,252.04 × 26,120.37
  4. Step 4: Simplify right side
    72,834.69x = 2,853,703,577.45
  5. Step 5: Solve for x
    x = 2,853,703,577.45/72,834.69
  6. Step 6: Final answer
    x = 39,180.56

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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.