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Finding the Fourth Proportional to 225,046.44, 310,562.37 and 123,071.49

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Solution

The fourth proportional to 225,046.44, 310,562.37 and 123,071.49 is: 169,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,046.44 : 310,562.37 = 123,071.49 : x
  2. Step 2: Convert to fraction form
    225,046.44/310,562.37 = 123,071.49/x
  3. Step 3: Cross multiply
    225,046.44x = 310,562.37 × 123,071.49
  4. Step 4: Simplify right side
    225,046.44x = 38,221,373,613.83
  5. Step 5: Solve for x
    x = 38,221,373,613.83/225,046.44
  6. Step 6: Final answer
    x = 169,837.72

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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.