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Finding the Fourth Proportional to 73,876.80, 101,944.80 and 43,660.80

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Solution

The fourth proportional to 73,876.80, 101,944.80 and 43,660.80 is: 60,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,876.80 : 101,944.80 = 43,660.80 : x
  2. Step 2: Convert to fraction form
    73,876.80/101,944.80 = 43,660.80/x
  3. Step 3: Cross multiply
    73,876.80x = 101,944.80 × 43,660.80
  4. Step 4: Simplify right side
    73,876.80x = 4,450,991,523.84
  5. Step 5: Solve for x
    x = 4,450,991,523.84/73,876.80
  6. Step 6: Final answer
    x = 60,248.84

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1.5x scale

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.