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Finding the Fourth Proportional to 225,767.48, 311,573.09 and 125,165.48

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Solution

The fourth proportional to 225,767.48, 311,573.09 and 125,165.48 is: 172,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,767.48 : 311,573.09 = 125,165.48 : x
  2. Step 2: Convert to fraction form
    225,767.48/311,573.09 = 125,165.48/x
  3. Step 3: Cross multiply
    225,767.48x = 311,573.09 × 125,165.48
  4. Step 4: Simplify right side
    225,767.48x = 38,998,194,119.98
  5. Step 5: Solve for x
    x = 38,998,194,119.98/225,767.48
  6. Step 6: Final answer
    x = 172,736.10

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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.