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Finding the Fourth Proportional to 225,504.63, 311,003.27 and 160,850.69

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Solution

The fourth proportional to 225,504.63, 311,003.27 and 160,850.69 is: 221,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,504.63 : 311,003.27 = 160,850.69 : x
  2. Step 2: Convert to fraction form
    225,504.63/311,003.27 = 160,850.69/x
  3. Step 3: Cross multiply
    225,504.63x = 311,003.27 × 160,850.69
  4. Step 4: Simplify right side
    225,504.63x = 50,025,090,571.76
  5. Step 5: Solve for x
    x = 50,025,090,571.76/225,504.63
  6. Step 6: Final answer
    x = 221,836.20

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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.