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Finding the Fourth Proportional to 69,672.59, 104,409.23 and 55,675.17

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Solution

The fourth proportional to 69,672.59, 104,409.23 and 55,675.17 is: 83,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672.59 : 104,409.23 = 55,675.17 : x
  2. Step 2: Convert to fraction form
    69,672.59/104,409.23 = 55,675.17/x
  3. Step 3: Cross multiply
    69,672.59x = 104,409.23 × 55,675.17
  4. Step 4: Simplify right side
    69,672.59x = 5,813,001,351.44
  5. Step 5: Solve for x
    x = 5,813,001,351.44/69,672.59
  6. Step 6: Final answer
    x = 83,433.12

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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.