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Finding the Fourth Proportional to 269,797.88, 372,311.32 and 148,936.58

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Solution

The fourth proportional to 269,797.88, 372,311.32 and 148,936.58 is: 205,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,797.88 : 372,311.32 = 148,936.58 : x
  2. Step 2: Convert to fraction form
    269,797.88/372,311.32 = 148,936.58/x
  3. Step 3: Cross multiply
    269,797.88x = 372,311.32 × 148,936.58
  4. Step 4: Simplify right side
    269,797.88x = 55,450,774,696.09
  5. Step 5: Solve for x
    x = 55,450,774,696.09/269,797.88
  6. Step 6: Final answer
    x = 205,527.10

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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.