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Finding the Fourth Proportional to 239,322.93, 330,267.83 and 131,896.86

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Solution

The fourth proportional to 239,322.93, 330,267.83 and 131,896.86 is: 182,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,322.93 : 330,267.83 = 131,896.86 : x
  2. Step 2: Convert to fraction form
    239,322.93/330,267.83 = 131,896.86/x
  3. Step 3: Cross multiply
    239,322.93x = 330,267.83 × 131,896.86
  4. Step 4: Simplify right side
    239,322.93x = 43,561,289,076.53
  5. Step 5: Solve for x
    x = 43,561,289,076.53/239,322.93
  6. Step 6: Final answer
    x = 182,018.87

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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.