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Finding the Fourth Proportional to 148,246.80, 204,580.67 and 80,263.80

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Solution

The fourth proportional to 148,246.80, 204,580.67 and 80,263.80 is: 110,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,246.80 : 204,580.67 = 80,263.80 : x
  2. Step 2: Convert to fraction form
    148,246.80/204,580.67 = 80,263.80/x
  3. Step 3: Cross multiply
    148,246.80x = 204,580.67 × 80,263.80
  4. Step 4: Simplify right side
    148,246.80x = 16,420,421,579.43
  5. Step 5: Solve for x
    x = 16,420,421,579.43/148,246.80
  6. Step 6: Final answer
    x = 110,764.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.