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Finding the Fourth Proportional to 214,940.35, 322,410.12 and 57,168.97

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Solution

The fourth proportional to 214,940.35, 322,410.12 and 57,168.97 is: 85,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,940.35 : 322,410.12 = 57,168.97 : x
  2. Step 2: Convert to fraction form
    214,940.35/322,410.12 = 57,168.97/x
  3. Step 3: Cross multiply
    214,940.35x = 322,410.12 × 57,168.97
  4. Step 4: Simplify right side
    214,940.35x = 18,431,854,477.98
  5. Step 5: Solve for x
    x = 18,431,854,477.98/214,940.35
  6. Step 6: Final answer
    x = 85,753.35

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1.5x scale

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.