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Finding the Fourth Proportional to 225,485.64, 337,769.19 and 106,797.15

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Solution

The fourth proportional to 225,485.64, 337,769.19 and 106,797.15 is: 159,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,485.64 : 337,769.19 = 106,797.15 : x
  2. Step 2: Convert to fraction form
    225,485.64/337,769.19 = 106,797.15/x
  3. Step 3: Cross multiply
    225,485.64x = 337,769.19 × 106,797.15
  4. Step 4: Simplify right side
    225,485.64x = 36,072,786,849.81
  5. Step 5: Solve for x
    x = 36,072,786,849.81/225,485.64
  6. Step 6: Final answer
    x = 159,978.20

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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.