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Finding the Fourth Proportional to 69,136.74, 103,714.83 and 22,373.82

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Solution

The fourth proportional to 69,136.74, 103,714.83 and 22,373.82 is: 33,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,136.74 : 103,714.83 = 22,373.82 : x
  2. Step 2: Convert to fraction form
    69,136.74/103,714.83 = 22,373.82/x
  3. Step 3: Cross multiply
    69,136.74x = 103,714.83 × 22,373.82
  4. Step 4: Simplify right side
    69,136.74x = 2,320,496,937.75
  5. Step 5: Solve for x
    x = 2,320,496,937.75/69,136.74
  6. Step 6: Final answer
    x = 33,563.88

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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.