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Finding the Fourth Proportional to 159,496.57, 220,110.24 and 91,525.99

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Solution

The fourth proportional to 159,496.57, 220,110.24 and 91,525.99 is: 126,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.57 : 220,110.24 = 91,525.99 : x
  2. Step 2: Convert to fraction form
    159,496.57/220,110.24 = 91,525.99/x
  3. Step 3: Cross multiply
    159,496.57x = 220,110.24 × 91,525.99
  4. Step 4: Simplify right side
    159,496.57x = 20,145,807,625.14
  5. Step 5: Solve for x
    x = 20,145,807,625.14/159,496.57
  6. Step 6: Final answer
    x = 126,308.72

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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.