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Finding the Fourth Proportional to 108,958.93, 150,375.50 and 65,962.11

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Solution

The fourth proportional to 108,958.93, 150,375.50 and 65,962.11 is: 91,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,958.93 : 150,375.50 = 65,962.11 : x
  2. Step 2: Convert to fraction form
    108,958.93/150,375.50 = 65,962.11/x
  3. Step 3: Cross multiply
    108,958.93x = 150,375.50 × 65,962.11
  4. Step 4: Simplify right side
    108,958.93x = 9,919,084,942.49
  5. Step 5: Solve for x
    x = 9,919,084,942.49/108,958.93
  6. Step 6: Final answer
    x = 91,035.08

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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.