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Finding the Fourth Proportional to 362,720.98, 544,080.78 and 96,481.78

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Solution

The fourth proportional to 362,720.98, 544,080.78 and 96,481.78 is: 144,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,720.98 : 544,080.78 = 96,481.78 : x
  2. Step 2: Convert to fraction form
    362,720.98/544,080.78 = 96,481.78/x
  3. Step 3: Cross multiply
    362,720.98x = 544,080.78 × 96,481.78
  4. Step 4: Simplify right side
    362,720.98x = 52,493,882,118.19
  5. Step 5: Solve for x
    x = 52,493,882,118.19/362,720.98
  6. Step 6: Final answer
    x = 144,722.49

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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.