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Finding the Fourth Proportional to 69,498.36, 104,362.83 and 43,369.17

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Solution

The fourth proportional to 69,498.36, 104,362.83 and 43,369.17 is: 65,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,498.36 : 104,362.83 = 43,369.17 : x
  2. Step 2: Convert to fraction form
    69,498.36/104,362.83 = 43,369.17/x
  3. Step 3: Cross multiply
    69,498.36x = 104,362.83 × 43,369.17
  4. Step 4: Simplify right side
    69,498.36x = 4,526,129,315.95
  5. Step 5: Solve for x
    x = 4,526,129,315.95/69,498.36
  6. Step 6: Final answer
    x = 65,125.70

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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.