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Finding the Fourth Proportional to 115,229.56, 159,046.86 and 75,053.56

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Solution

The fourth proportional to 115,229.56, 159,046.86 and 75,053.56 is: 103,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,229.56 : 159,046.86 = 75,053.56 : x
  2. Step 2: Convert to fraction form
    115,229.56/159,046.86 = 75,053.56/x
  3. Step 3: Cross multiply
    115,229.56x = 159,046.86 × 75,053.56
  4. Step 4: Simplify right side
    115,229.56x = 11,937,033,049.82
  5. Step 5: Solve for x
    x = 11,937,033,049.82/115,229.56
  6. Step 6: Final answer
    x = 103,593.50

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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.