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Finding the Fourth Proportional to 101,135.96, 151,734.11 and 30,060.95

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Solution

The fourth proportional to 101,135.96, 151,734.11 and 30,060.95 is: 45,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,135.96 : 151,734.11 = 30,060.95 : x
  2. Step 2: Convert to fraction form
    101,135.96/151,734.11 = 30,060.95/x
  3. Step 3: Cross multiply
    101,135.96x = 151,734.11 × 30,060.95
  4. Step 4: Simplify right side
    101,135.96x = 4,561,270,585.03
  5. Step 5: Solve for x
    x = 4,561,270,585.03/101,135.96
  6. Step 6: Final answer
    x = 45,100.39

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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.