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Finding the Fourth Proportional to 330,134.05, 495,233.88 and 119,788.39

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Solution

The fourth proportional to 330,134.05, 495,233.88 and 119,788.39 is: 179,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,134.05 : 495,233.88 = 119,788.39 : x
  2. Step 2: Convert to fraction form
    330,134.05/495,233.88 = 119,788.39/x
  3. Step 3: Cross multiply
    330,134.05x = 495,233.88 × 119,788.39
  4. Step 4: Simplify right side
    330,134.05x = 59,323,269,158.65
  5. Step 5: Solve for x
    x = 59,323,269,158.65/330,134.05
  6. Step 6: Final answer
    x = 179,694.49

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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.