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Finding the Fourth Proportional to 225,552.60, 311,262.48 and 130,057.92

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Solution

The fourth proportional to 225,552.60, 311,262.48 and 130,057.92 is: 179,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,552.60 : 311,262.48 = 130,057.92 : x
  2. Step 2: Convert to fraction form
    225,552.60/311,262.48 = 130,057.92/x
  3. Step 3: Cross multiply
    225,552.60x = 311,262.48 × 130,057.92
  4. Step 4: Simplify right side
    225,552.60x = 40,482,150,722.84
  5. Step 5: Solve for x
    x = 40,482,150,722.84/225,552.60
  6. Step 6: Final answer
    x = 179,479.87

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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.