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Finding the Fourth Proportional to 225,381.68, 337,574.22 and 154,135.48

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Solution

The fourth proportional to 225,381.68, 337,574.22 and 154,135.48 is: 230,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,381.68 : 337,574.22 = 154,135.48 : x
  2. Step 2: Convert to fraction form
    225,381.68/337,574.22 = 154,135.48/x
  3. Step 3: Cross multiply
    225,381.68x = 337,574.22 × 154,135.48
  4. Step 4: Simplify right side
    225,381.68x = 52,032,164,435.33
  5. Step 5: Solve for x
    x = 52,032,164,435.33/225,381.68
  6. Step 6: Final answer
    x = 230,862.44

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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.