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Finding the Fourth Proportional to 73,311.93, 101,170.44 and 39,777.93

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Solution

The fourth proportional to 73,311.93, 101,170.44 and 39,777.93 is: 54,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.93 : 101,170.44 = 39,777.93 : x
  2. Step 2: Convert to fraction form
    73,311.93/101,170.44 = 39,777.93/x
  3. Step 3: Cross multiply
    73,311.93x = 101,170.44 × 39,777.93
  4. Step 4: Simplify right side
    73,311.93x = 4,024,350,680.39
  5. Step 5: Solve for x
    x = 4,024,350,680.39/73,311.93
  6. Step 6: Final answer
    x = 54,893.53

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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.