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Finding the Fourth Proportional to 57,342.78, 79,148.07 and 32,200.38

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Solution

The fourth proportional to 57,342.78, 79,148.07 and 32,200.38 is: 44,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.78 : 79,148.07 = 32,200.38 : x
  2. Step 2: Convert to fraction form
    57,342.78/79,148.07 = 32,200.38/x
  3. Step 3: Cross multiply
    57,342.78x = 79,148.07 × 32,200.38
  4. Step 4: Simplify right side
    57,342.78x = 2,548,597,930.27
  5. Step 5: Solve for x
    x = 2,548,597,930.27/57,342.78
  6. Step 6: Final answer
    x = 44,444.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.