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Finding the Fourth Proportional to 224,373.69, 309,636.70 and 122,398.83

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Solution

The fourth proportional to 224,373.69, 309,636.70 and 122,398.83 is: 168,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,373.69 : 309,636.70 = 122,398.83 : x
  2. Step 2: Convert to fraction form
    224,373.69/309,636.70 = 122,398.83/x
  3. Step 3: Cross multiply
    224,373.69x = 309,636.70 × 122,398.83
  4. Step 4: Simplify right side
    224,373.69x = 37,899,169,843.31
  5. Step 5: Solve for x
    x = 37,899,169,843.31/224,373.69
  6. Step 6: Final answer
    x = 168,910.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.