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Finding the Fourth Proportional to 124,057, 171,198.66 and 67,469.59

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Solution

The fourth proportional to 124,057, 171,198.66 and 67,469.59 is: 93,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,057 : 171,198.66 = 67,469.59 : x
  2. Step 2: Convert to fraction form
    124,057/171,198.66 = 67,469.59/x
  3. Step 3: Cross multiply
    124,057x = 171,198.66 × 67,469.59
  4. Step 4: Simplify right side
    124,057x = 11,550,703,398.75
  5. Step 5: Solve for x
    x = 11,550,703,398.75/124,057
  6. Step 6: Final answer
    x = 93,108.03

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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.