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Finding the Fourth Proportional to 254,234.43, 381,353.85 and 64,694.97

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Solution

The fourth proportional to 254,234.43, 381,353.85 and 64,694.97 is: 97,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,234.43 : 381,353.85 = 64,694.97 : x
  2. Step 2: Convert to fraction form
    254,234.43/381,353.85 = 64,694.97/x
  3. Step 3: Cross multiply
    254,234.43x = 381,353.85 × 64,694.97
  4. Step 4: Simplify right side
    254,234.43x = 24,671,675,885.13
  5. Step 5: Solve for x
    x = 24,671,675,885.13/254,234.43
  6. Step 6: Final answer
    x = 97,043.02

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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.