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Finding the Fourth Proportional to 85,190.56, 127,793.52 and 22,860.64

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Solution

The fourth proportional to 85,190.56, 127,793.52 and 22,860.64 is: 34,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,190.56 : 127,793.52 = 22,860.64 : x
  2. Step 2: Convert to fraction form
    85,190.56/127,793.52 = 22,860.64/x
  3. Step 3: Cross multiply
    85,190.56x = 127,793.52 × 22,860.64
  4. Step 4: Simplify right side
    85,190.56x = 2,921,441,655.05
  5. Step 5: Solve for x
    x = 2,921,441,655.05/85,190.56
  6. Step 6: Final answer
    x = 34,293.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.