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Finding the Fourth Proportional to 79,166.43, 118,646.37 and 60,377.67

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Solution

The fourth proportional to 79,166.43, 118,646.37 and 60,377.67 is: 90,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.43 : 118,646.37 = 60,377.67 : x
  2. Step 2: Convert to fraction form
    79,166.43/118,646.37 = 60,377.67/x
  3. Step 3: Cross multiply
    79,166.43x = 118,646.37 × 60,377.67
  4. Step 4: Simplify right side
    79,166.43x = 7,163,591,374.56
  5. Step 5: Solve for x
    x = 7,163,591,374.56/79,166.43
  6. Step 6: Final answer
    x = 90,487.74

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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.