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Finding the Fourth Proportional to 228,062.87, 314,721.83 and 126,092.62

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Solution

The fourth proportional to 228,062.87, 314,721.83 and 126,092.62 is: 174,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,062.87 : 314,721.83 = 126,092.62 : x
  2. Step 2: Convert to fraction form
    228,062.87/314,721.83 = 126,092.62/x
  3. Step 3: Cross multiply
    228,062.87x = 314,721.83 × 126,092.62
  4. Step 4: Simplify right side
    228,062.87x = 39,684,101,355.05
  5. Step 5: Solve for x
    x = 39,684,101,355.05/228,062.87
  6. Step 6: Final answer
    x = 174,005.10

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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.