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Finding the Fourth Proportional to 224,288.13, 336,497.13 and 66,520.38

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Solution

The fourth proportional to 224,288.13, 336,497.13 and 66,520.38 is: 99,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,288.13 : 336,497.13 = 66,520.38 : x
  2. Step 2: Convert to fraction form
    224,288.13/336,497.13 = 66,520.38/x
  3. Step 3: Cross multiply
    224,288.13x = 336,497.13 × 66,520.38
  4. Step 4: Simplify right side
    224,288.13x = 22,383,916,956.51
  5. Step 5: Solve for x
    x = 22,383,916,956.51/224,288.13
  6. Step 6: Final answer
    x = 99,799.83

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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.