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Finding the Fourth Proportional to 119,924.94, 179,854.62 and 45,039.36

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Solution

The fourth proportional to 119,924.94, 179,854.62 and 45,039.36 is: 67,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,924.94 : 179,854.62 = 45,039.36 : x
  2. Step 2: Convert to fraction form
    119,924.94/179,854.62 = 45,039.36/x
  3. Step 3: Cross multiply
    119,924.94x = 179,854.62 × 45,039.36
  4. Step 4: Simplify right side
    119,924.94x = 8,100,536,977.84
  5. Step 5: Solve for x
    x = 8,100,536,977.84/119,924.94
  6. Step 6: Final answer
    x = 67,546.73

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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.