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Finding the Fourth Proportional to 224,389.84, 336,485.76 and 84,049.96

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Solution

The fourth proportional to 224,389.84, 336,485.76 and 84,049.96 is: 126,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,389.84 : 336,485.76 = 84,049.96 : x
  2. Step 2: Convert to fraction form
    224,389.84/336,485.76 = 84,049.96/x
  3. Step 3: Cross multiply
    224,389.84x = 336,485.76 × 84,049.96
  4. Step 4: Simplify right side
    224,389.84x = 28,281,614,668.57
  5. Step 5: Solve for x
    x = 28,281,614,668.57/224,389.84
  6. Step 6: Final answer
    x = 126,037.86

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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.