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Finding the Fourth Proportional to 69,672.77, 104,409.52 and 55,675.36

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Solution

The fourth proportional to 69,672.77, 104,409.52 and 55,675.36 is: 83,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672.77 : 104,409.52 = 55,675.36 : x
  2. Step 2: Convert to fraction form
    69,672.77/104,409.52 = 55,675.36/x
  3. Step 3: Cross multiply
    69,672.77x = 104,409.52 × 55,675.36
  4. Step 4: Simplify right side
    69,672.77x = 5,813,037,213.22
  5. Step 5: Solve for x
    x = 5,813,037,213.22/69,672.77
  6. Step 6: Final answer
    x = 83,433.42

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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.