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Finding the Fourth Proportional to 73,751.99, 101,777.78 and 41,920.88

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Solution

The fourth proportional to 73,751.99, 101,777.78 and 41,920.88 is: 57,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,751.99 : 101,777.78 = 41,920.88 : x
  2. Step 2: Convert to fraction form
    73,751.99/101,777.78 = 41,920.88/x
  3. Step 3: Cross multiply
    73,751.99x = 101,777.78 × 41,920.88
  4. Step 4: Simplify right side
    73,751.99x = 4,266,613,697.96
  5. Step 5: Solve for x
    x = 4,266,613,697.96/73,751.99
  6. Step 6: Final answer
    x = 57,850.83

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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.