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Finding the Fourth Proportional to 69,172.99, 103,773.35 and 24,803.21

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Solution

The fourth proportional to 69,172.99, 103,773.35 and 24,803.21 is: 37,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,172.99 : 103,773.35 = 24,803.21 : x
  2. Step 2: Convert to fraction form
    69,172.99/103,773.35 = 24,803.21/x
  3. Step 3: Cross multiply
    69,172.99x = 103,773.35 × 24,803.21
  4. Step 4: Simplify right side
    69,172.99x = 2,573,912,513.89
  5. Step 5: Solve for x
    x = 2,573,912,513.89/69,172.99
  6. Step 6: Final answer
    x = 37,209.79

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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.