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Finding the Fourth Proportional to 225,057.32, 310,566.54 and 123,062.54

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Solution

The fourth proportional to 225,057.32, 310,566.54 and 123,062.54 is: 169,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,057.32 : 310,566.54 = 123,062.54 : x
  2. Step 2: Convert to fraction form
    225,057.32/310,566.54 = 123,062.54/x
  3. Step 3: Cross multiply
    225,057.32x = 310,566.54 × 123,062.54
  4. Step 4: Simplify right side
    225,057.32x = 38,219,107,251.41
  5. Step 5: Solve for x
    x = 38,219,107,251.41/225,057.32
  6. Step 6: Final answer
    x = 169,819.44

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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.