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Finding the Fourth Proportional to 225,244, 310,846.44 and 124,642

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Solution

The fourth proportional to 225,244, 310,846.44 and 124,642 is: 172,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,244 : 310,846.44 = 124,642 : x
  2. Step 2: Convert to fraction form
    225,244/310,846.44 = 124,642/x
  3. Step 3: Cross multiply
    225,244x = 310,846.44 × 124,642
  4. Step 4: Simplify right side
    225,244x = 38,744,521,974.48
  5. Step 5: Solve for x
    x = 38,744,521,974.48/225,244
  6. Step 6: Final answer
    x = 172,011.34

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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.