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Finding the Fourth Proportional to 73,793.79, 101,861.72 and 43,579.23

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Solution

The fourth proportional to 73,793.79, 101,861.72 and 43,579.23 is: 60,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,793.79 : 101,861.72 = 43,579.23 : x
  2. Step 2: Convert to fraction form
    73,793.79/101,861.72 = 43,579.23/x
  3. Step 3: Cross multiply
    73,793.79x = 101,861.72 × 43,579.23
  4. Step 4: Simplify right side
    73,793.79x = 4,439,055,106.18
  5. Step 5: Solve for x
    x = 4,439,055,106.18/73,793.79
  6. Step 6: Final answer
    x = 60,154.86

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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.