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Finding the Fourth Proportional to 69,859.08, 104,706.11 and 29,866.37

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Solution

The fourth proportional to 69,859.08, 104,706.11 and 29,866.37 is: 44,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.08 : 104,706.11 = 29,866.37 : x
  2. Step 2: Convert to fraction form
    69,859.08/104,706.11 = 29,866.37/x
  3. Step 3: Cross multiply
    69,859.08x = 104,706.11 × 29,866.37
  4. Step 4: Simplify right side
    69,859.08x = 3,127,191,758.95
  5. Step 5: Solve for x
    x = 3,127,191,758.95/69,859.08
  6. Step 6: Final answer
    x = 44,764.28

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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.