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Finding the Fourth Proportional to 445,766.96, 668,180.88 and 146,169.44

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Solution

The fourth proportional to 445,766.96, 668,180.88 and 146,169.44 is: 219,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,766.96 : 668,180.88 = 146,169.44 : x
  2. Step 2: Convert to fraction form
    445,766.96/668,180.88 = 146,169.44/x
  3. Step 3: Cross multiply
    445,766.96x = 668,180.88 × 146,169.44
  4. Step 4: Simplify right side
    445,766.96x = 97,667,625,048.31
  5. Step 5: Solve for x
    x = 97,667,625,048.31/445,766.96
  6. Step 6: Final answer
    x = 219,100.19

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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.