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Finding the Fourth Proportional to 73,777.45, 101,822.03 and 45,091.21

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Solution

The fourth proportional to 73,777.45, 101,822.03 and 45,091.21 is: 62,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,777.45 : 101,822.03 = 45,091.21 : x
  2. Step 2: Convert to fraction form
    73,777.45/101,822.03 = 45,091.21/x
  3. Step 3: Cross multiply
    73,777.45x = 101,822.03 × 45,091.21
  4. Step 4: Simplify right side
    73,777.45x = 4,591,278,537.36
  5. Step 5: Solve for x
    x = 4,591,278,537.36/73,777.45
  6. Step 6: Final answer
    x = 62,231.46

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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.