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Finding the Fourth Proportional to 95,889.93, 132,189.78 and 67,120.56

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Solution

The fourth proportional to 95,889.93, 132,189.78 and 67,120.56 is: 92,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,889.93 : 132,189.78 = 67,120.56 : x
  2. Step 2: Convert to fraction form
    95,889.93/132,189.78 = 67,120.56/x
  3. Step 3: Cross multiply
    95,889.93x = 132,189.78 × 67,120.56
  4. Step 4: Simplify right side
    95,889.93x = 8,872,652,059.88
  5. Step 5: Solve for x
    x = 8,872,652,059.88/95,889.93
  6. Step 6: Final answer
    x = 92,529.55

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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.