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Finding the Fourth Proportional to 225,029.39, 337,617.99 and 92,021.51

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Solution

The fourth proportional to 225,029.39, 337,617.99 and 92,021.51 is: 138,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,029.39 : 337,617.99 = 92,021.51 : x
  2. Step 2: Convert to fraction form
    225,029.39/337,617.99 = 92,021.51/x
  3. Step 3: Cross multiply
    225,029.39x = 337,617.99 × 92,021.51
  4. Step 4: Simplify right side
    225,029.39x = 31,068,118,087.01
  5. Step 5: Solve for x
    x = 31,068,118,087.01/225,029.39
  6. Step 6: Final answer
    x = 138,062.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.