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Finding the Fourth Proportional to 225,144.49, 337,716.67 and 84,870.31

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Solution

The fourth proportional to 225,144.49, 337,716.67 and 84,870.31 is: 127,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,144.49 : 337,716.67 = 84,870.31 : x
  2. Step 2: Convert to fraction form
    225,144.49/337,716.67 = 84,870.31/x
  3. Step 3: Cross multiply
    225,144.49x = 337,716.67 × 84,870.31
  4. Step 4: Simplify right side
    225,144.49x = 28,662,118,475.07
  5. Step 5: Solve for x
    x = 28,662,118,475.07/225,144.49
  6. Step 6: Final answer
    x = 127,305.44

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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.