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Finding the Fourth Proportional to 348,885.45, 522,995.96 and 112,062.09

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Solution

The fourth proportional to 348,885.45, 522,995.96 and 112,062.09 is: 167,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,885.45 : 522,995.96 = 112,062.09 : x
  2. Step 2: Convert to fraction form
    348,885.45/522,995.96 = 112,062.09/x
  3. Step 3: Cross multiply
    348,885.45x = 522,995.96 × 112,062.09
  4. Step 4: Simplify right side
    348,885.45x = 58,608,019,778.85
  5. Step 5: Solve for x
    x = 58,608,019,778.85/348,885.45
  6. Step 6: Final answer
    x = 167,986.43

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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.