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Finding the Fourth Proportional to 69,092.50, 103,687.98 and 29,660.90

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Solution

The fourth proportional to 69,092.50, 103,687.98 and 29,660.90 is: 44,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,092.50 : 103,687.98 = 29,660.90 : x
  2. Step 2: Convert to fraction form
    69,092.50/103,687.98 = 29,660.90/x
  3. Step 3: Cross multiply
    69,092.50x = 103,687.98 × 29,660.90
  4. Step 4: Simplify right side
    69,092.50x = 3,075,478,805.98
  5. Step 5: Solve for x
    x = 3,075,478,805.98/69,092.50
  6. Step 6: Final answer
    x = 44,512.48

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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.