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Finding the Fourth Proportional to 101,266.60, 151,608.30 and 61,900.60

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Solution

The fourth proportional to 101,266.60, 151,608.30 and 61,900.60 is: 92,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,266.60 : 151,608.30 = 61,900.60 : x
  2. Step 2: Convert to fraction form
    101,266.60/151,608.30 = 61,900.60/x
  3. Step 3: Cross multiply
    101,266.60x = 151,608.30 × 61,900.60
  4. Step 4: Simplify right side
    101,266.60x = 9,384,644,734.98
  5. Step 5: Solve for x
    x = 9,384,644,734.98/101,266.60
  6. Step 6: Final answer
    x = 92,672.66

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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.