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Finding the Fourth Proportional to 225,012.84, 310,523.94 and 124,414.44

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Solution

The fourth proportional to 225,012.84, 310,523.94 and 124,414.44 is: 171,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,012.84 : 310,523.94 = 124,414.44 : x
  2. Step 2: Convert to fraction form
    225,012.84/310,523.94 = 124,414.44/x
  3. Step 3: Cross multiply
    225,012.84x = 310,523.94 × 124,414.44
  4. Step 4: Simplify right side
    225,012.84x = 38,633,662,101.69
  5. Step 5: Solve for x
    x = 38,633,662,101.69/225,012.84
  6. Step 6: Final answer
    x = 171,695.37

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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.