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Finding the Fourth Proportional to 445,055.88, 667,577.70 and 108,099

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Solution

The fourth proportional to 445,055.88, 667,577.70 and 108,099 is: 162,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,055.88 : 667,577.70 = 108,099 : x
  2. Step 2: Convert to fraction form
    445,055.88/667,577.70 = 108,099/x
  3. Step 3: Cross multiply
    445,055.88x = 667,577.70 × 108,099
  4. Step 4: Simplify right side
    445,055.88x = 72,164,481,792.30
  5. Step 5: Solve for x
    x = 72,164,481,792.30/445,055.88
  6. Step 6: Final answer
    x = 162,147.01

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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.