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Finding the Fourth Proportional to 244,136, 336,879.32 and 142,183.74

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Solution

The fourth proportional to 244,136, 336,879.32 and 142,183.74 is: 196,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,136 : 336,879.32 = 142,183.74 : x
  2. Step 2: Convert to fraction form
    244,136/336,879.32 = 142,183.74/x
  3. Step 3: Cross multiply
    244,136x = 336,879.32 × 142,183.74
  4. Step 4: Simplify right side
    244,136x = 47,898,761,646.26
  5. Step 5: Solve for x
    x = 47,898,761,646.26/244,136
  6. Step 6: Final answer
    x = 196,197.04

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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.