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Finding the Fourth Proportional to 336,163.45, 504,343.55 and 108,454.68

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Solution

The fourth proportional to 336,163.45, 504,343.55 and 108,454.68 is: 162,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,163.45 : 504,343.55 = 108,454.68 : x
  2. Step 2: Convert to fraction form
    336,163.45/504,343.55 = 108,454.68/x
  3. Step 3: Cross multiply
    336,163.45x = 504,343.55 × 108,454.68
  4. Step 4: Simplify right side
    336,163.45x = 54,698,417,783.04
  5. Step 5: Solve for x
    x = 54,698,417,783.04/336,163.45
  6. Step 6: Final answer
    x = 162,713.76

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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.