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Finding the Fourth Proportional to 274,451.80, 411,575.30 and 108,205.40

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Solution

The fourth proportional to 274,451.80, 411,575.30 and 108,205.40 is: 162,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,451.80 : 411,575.30 = 108,205.40 : x
  2. Step 2: Convert to fraction form
    274,451.80/411,575.30 = 108,205.40/x
  3. Step 3: Cross multiply
    274,451.80x = 411,575.30 × 108,205.40
  4. Step 4: Simplify right side
    274,451.80x = 44,534,669,966.62
  5. Step 5: Solve for x
    x = 44,534,669,966.62/274,451.80
  6. Step 6: Final answer
    x = 162,267.73

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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.