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Finding the Fourth Proportional to 225,796.59, 311,573.93 and 130,334.85

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Solution

The fourth proportional to 225,796.59, 311,573.93 and 130,334.85 is: 179,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,796.59 : 311,573.93 = 130,334.85 : x
  2. Step 2: Convert to fraction form
    225,796.59/311,573.93 = 130,334.85/x
  3. Step 3: Cross multiply
    225,796.59x = 311,573.93 × 130,334.85
  4. Step 4: Simplify right side
    225,796.59x = 40,608,940,778.79
  5. Step 5: Solve for x
    x = 40,608,940,778.79/225,796.59
  6. Step 6: Final answer
    x = 179,847.45

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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.