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Finding the Fourth Proportional to 69,897.43, 104,834.22 and 34,349.59

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Solution

The fourth proportional to 69,897.43, 104,834.22 and 34,349.59 is: 51,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,897.43 : 104,834.22 = 34,349.59 : x
  2. Step 2: Convert to fraction form
    69,897.43/104,834.22 = 34,349.59/x
  3. Step 3: Cross multiply
    69,897.43x = 104,834.22 × 34,349.59
  4. Step 4: Simplify right side
    69,897.43x = 3,601,012,474.97
  5. Step 5: Solve for x
    x = 3,601,012,474.97/69,897.43
  6. Step 6: Final answer
    x = 51,518.52

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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.