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Finding the Fourth Proportional to 165,331.62, 247,994.19 and 54,523.62

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Solution

The fourth proportional to 165,331.62, 247,994.19 and 54,523.62 is: 81,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,331.62 : 247,994.19 = 54,523.62 : x
  2. Step 2: Convert to fraction form
    165,331.62/247,994.19 = 54,523.62/x
  3. Step 3: Cross multiply
    165,331.62x = 247,994.19 × 54,523.62
  4. Step 4: Simplify right side
    165,331.62x = 13,521,540,977.77
  5. Step 5: Solve for x
    x = 13,521,540,977.77/165,331.62
  6. Step 6: Final answer
    x = 81,784.36

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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.