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Finding the Fourth Proportional to 67,242.78, 92,793.36 and 37,027.86

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Solution

The fourth proportional to 67,242.78, 92,793.36 and 37,027.86 is: 51,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,242.78 : 92,793.36 = 37,027.86 : x
  2. Step 2: Convert to fraction form
    67,242.78/92,793.36 = 37,027.86/x
  3. Step 3: Cross multiply
    67,242.78x = 92,793.36 × 37,027.86
  4. Step 4: Simplify right side
    67,242.78x = 3,435,939,543.01
  5. Step 5: Solve for x
    x = 3,435,939,543.01/67,242.78
  6. Step 6: Final answer
    x = 51,097.52

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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.