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Finding the Fourth Proportional to 205,079.70, 307,619.55 and 182,961.30

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Solution

The fourth proportional to 205,079.70, 307,619.55 and 182,961.30 is: 274,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,079.70 : 307,619.55 = 182,961.30 : x
  2. Step 2: Convert to fraction form
    205,079.70/307,619.55 = 182,961.30/x
  3. Step 3: Cross multiply
    205,079.70x = 307,619.55 × 182,961.30
  4. Step 4: Simplify right side
    205,079.70x = 56,282,472,773.42
  5. Step 5: Solve for x
    x = 56,282,472,773.42/205,079.70
  6. Step 6: Final answer
    x = 274,441.95

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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.