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Finding the Fourth Proportional to 144,046.54, 198,797.45 and 79,527.31

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Solution

The fourth proportional to 144,046.54, 198,797.45 and 79,527.31 is: 109,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,046.54 : 198,797.45 = 79,527.31 : x
  2. Step 2: Convert to fraction form
    144,046.54/198,797.45 = 79,527.31/x
  3. Step 3: Cross multiply
    144,046.54x = 198,797.45 × 79,527.31
  4. Step 4: Simplify right side
    144,046.54x = 15,809,826,433.36
  5. Step 5: Solve for x
    x = 15,809,826,433.36/144,046.54
  6. Step 6: Final answer
    x = 109,754.99

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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.