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Finding the Fourth Proportional to 159,745.01, 220,520.53 and 101,625.64

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Solution

The fourth proportional to 159,745.01, 220,520.53 and 101,625.64 is: 140,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,745.01 : 220,520.53 = 101,625.64 : x
  2. Step 2: Convert to fraction form
    159,745.01/220,520.53 = 101,625.64/x
  3. Step 3: Cross multiply
    159,745.01x = 220,520.53 × 101,625.64
  4. Step 4: Simplify right side
    159,745.01x = 22,410,538,998.48
  5. Step 5: Solve for x
    x = 22,410,538,998.48/159,745.01
  6. Step 6: Final answer
    x = 140,289.45

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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.