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Finding the Fourth Proportional to 148,374.99, 204,757.74 and 80,391.96

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Solution

The fourth proportional to 148,374.99, 204,757.74 and 80,391.96 is: 110,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,374.99 : 204,757.74 = 80,391.96 : x
  2. Step 2: Convert to fraction form
    148,374.99/204,757.74 = 80,391.96/x
  3. Step 3: Cross multiply
    148,374.99x = 204,757.74 × 80,391.96
  4. Step 4: Simplify right side
    148,374.99x = 16,460,876,043.77
  5. Step 5: Solve for x
    x = 16,460,876,043.77/148,374.99
  6. Step 6: Final answer
    x = 110,941.04

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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.