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Finding the Fourth Proportional to 311,568.38, 467,165.38 and 121,802.73

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Solution

The fourth proportional to 311,568.38, 467,165.38 and 121,802.73 is: 182,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,568.38 : 467,165.38 = 121,802.73 : x
  2. Step 2: Convert to fraction form
    311,568.38/467,165.38 = 121,802.73/x
  3. Step 3: Cross multiply
    311,568.38x = 467,165.38 × 121,802.73
  4. Step 4: Simplify right side
    311,568.38x = 56,902,018,645.49
  5. Step 5: Solve for x
    x = 56,902,018,645.49/311,568.38
  6. Step 6: Final answer
    x = 182,630.92

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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.