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Finding the Fourth Proportional to 101,135.54, 151,659.20 and 53,739.22

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Solution

The fourth proportional to 101,135.54, 151,659.20 and 53,739.22 is: 80,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,135.54 : 151,659.20 = 53,739.22 : x
  2. Step 2: Convert to fraction form
    101,135.54/151,659.20 = 53,739.22/x
  3. Step 3: Cross multiply
    101,135.54x = 151,659.20 × 53,739.22
  4. Step 4: Simplify right side
    101,135.54x = 8,150,047,113.82
  5. Step 5: Solve for x
    x = 8,150,047,113.82/101,135.54
  6. Step 6: Final answer
    x = 80,585.39

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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.