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Finding the Fourth Proportional to 224,663.40, 336,798.08 and 84,520.44

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Solution

The fourth proportional to 224,663.40, 336,798.08 and 84,520.44 is: 126,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,663.40 : 336,798.08 = 84,520.44 : x
  2. Step 2: Convert to fraction form
    224,663.40/336,798.08 = 84,520.44/x
  3. Step 3: Cross multiply
    224,663.40x = 336,798.08 × 84,520.44
  4. Step 4: Simplify right side
    224,663.40x = 28,466,321,912.76
  5. Step 5: Solve for x
    x = 28,466,321,912.76/224,663.40
  6. Step 6: Final answer
    x = 126,706.54

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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.