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Finding the Fourth Proportional to 68,771.62, 103,158.86 and 22,024.36

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Solution

The fourth proportional to 68,771.62, 103,158.86 and 22,024.36 is: 33,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,771.62 : 103,158.86 = 22,024.36 : x
  2. Step 2: Convert to fraction form
    68,771.62/103,158.86 = 22,024.36/x
  3. Step 3: Cross multiply
    68,771.62x = 103,158.86 × 22,024.36
  4. Step 4: Simplify right side
    68,771.62x = 2,272,007,869.83
  5. Step 5: Solve for x
    x = 2,272,007,869.83/68,771.62
  6. Step 6: Final answer
    x = 33,037.00

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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.