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Finding the Fourth Proportional to 150,561.56, 207,774.92 and 83,493.56

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Solution

The fourth proportional to 150,561.56, 207,774.92 and 83,493.56 is: 115,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,561.56 : 207,774.92 = 83,493.56 : x
  2. Step 2: Convert to fraction form
    150,561.56/207,774.92 = 83,493.56/x
  3. Step 3: Cross multiply
    150,561.56x = 207,774.92 × 83,493.56
  4. Step 4: Simplify right side
    150,561.56x = 17,347,867,749.52
  5. Step 5: Solve for x
    x = 17,347,867,749.52/150,561.56
  6. Step 6: Final answer
    x = 115,221.09

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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.