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Finding the Fourth Proportional to 226,554, 312,644.90 and 125,952

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Solution

The fourth proportional to 226,554, 312,644.90 and 125,952 is: 173,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,554 : 312,644.90 = 125,952 : x
  2. Step 2: Convert to fraction form
    226,554/312,644.90 = 125,952/x
  3. Step 3: Cross multiply
    226,554x = 312,644.90 × 125,952
  4. Step 4: Simplify right side
    226,554x = 39,378,250,444.80
  5. Step 5: Solve for x
    x = 39,378,250,444.80/226,554
  6. Step 6: Final answer
    x = 173,813.97

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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.