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Finding the Fourth Proportional to 69,136.98, 95,410.83 and 38,923.41

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Solution

The fourth proportional to 69,136.98, 95,410.83 and 38,923.41 is: 53,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,136.98 : 95,410.83 = 38,923.41 : x
  2. Step 2: Convert to fraction form
    69,136.98/95,410.83 = 38,923.41/x
  3. Step 3: Cross multiply
    69,136.98x = 95,410.83 × 38,923.41
  4. Step 4: Simplify right side
    69,136.98x = 3,713,714,854.53
  5. Step 5: Solve for x
    x = 3,713,714,854.53/69,136.98
  6. Step 6: Final answer
    x = 53,715.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.