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Finding the Fourth Proportional to 225,769.62, 311,565.66 and 123,804.36

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Solution

The fourth proportional to 225,769.62, 311,565.66 and 123,804.36 is: 170,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,769.62 : 311,565.66 = 123,804.36 : x
  2. Step 2: Convert to fraction form
    225,769.62/311,565.66 = 123,804.36/x
  3. Step 3: Cross multiply
    225,769.62x = 311,565.66 × 123,804.36
  4. Step 4: Simplify right side
    225,769.62x = 38,573,187,134.28
  5. Step 5: Solve for x
    x = 38,573,187,134.28/225,769.62
  6. Step 6: Final answer
    x = 170,851.98

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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.