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Finding the Fourth Proportional to 102,474.88, 153,759.84 and 43,324.36

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Solution

The fourth proportional to 102,474.88, 153,759.84 and 43,324.36 is: 65,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,474.88 : 153,759.84 = 43,324.36 : x
  2. Step 2: Convert to fraction form
    102,474.88/153,759.84 = 43,324.36/x
  3. Step 3: Cross multiply
    102,474.88x = 153,759.84 × 43,324.36
  4. Step 4: Simplify right side
    102,474.88x = 6,661,546,661.70
  5. Step 5: Solve for x
    x = 6,661,546,661.70/102,474.88
  6. Step 6: Final answer
    x = 65,006.63

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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.