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Finding the Fourth Proportional to 348,612.42, 522,745.96 and 123,939.22

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Solution

The fourth proportional to 348,612.42, 522,745.96 and 123,939.22 is: 185,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,612.42 : 522,745.96 = 123,939.22 : x
  2. Step 2: Convert to fraction form
    348,612.42/522,745.96 = 123,939.22/x
  3. Step 3: Cross multiply
    348,612.42x = 522,745.96 × 123,939.22
  4. Step 4: Simplify right side
    348,612.42x = 64,788,726,540.55
  5. Step 5: Solve for x
    x = 64,788,726,540.55/348,612.42
  6. Step 6: Final answer
    x = 185,847.44

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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.