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Finding the Fourth Proportional to 224,727.76, 336,883.32 and 84,579.28

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Solution

The fourth proportional to 224,727.76, 336,883.32 and 84,579.28 is: 126,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,727.76 : 336,883.32 = 84,579.28 : x
  2. Step 2: Convert to fraction form
    224,727.76/336,883.32 = 84,579.28/x
  3. Step 3: Cross multiply
    224,727.76x = 336,883.32 × 84,579.28
  4. Step 4: Simplify right side
    224,727.76x = 28,493,348,649.61
  5. Step 5: Solve for x
    x = 28,493,348,649.61/224,727.76
  6. Step 6: Final answer
    x = 126,790.52

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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.