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Finding the Fourth Proportional to 70,951.74, 97,906.48 and 43,723.59

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Solution

The fourth proportional to 70,951.74, 97,906.48 and 43,723.59 is: 60,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,951.74 : 97,906.48 = 43,723.59 : x
  2. Step 2: Convert to fraction form
    70,951.74/97,906.48 = 43,723.59/x
  3. Step 3: Cross multiply
    70,951.74x = 97,906.48 × 43,723.59
  4. Step 4: Simplify right side
    70,951.74x = 4,280,822,789.86
  5. Step 5: Solve for x
    x = 4,280,822,789.86/70,951.74
  6. Step 6: Final answer
    x = 60,334.29

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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.