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Finding the Fourth Proportional to 101,119.36, 151,629.84 and 53,757.14

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Solution

The fourth proportional to 101,119.36, 151,629.84 and 53,757.14 is: 80,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,119.36 : 151,629.84 = 53,757.14 : x
  2. Step 2: Convert to fraction form
    101,119.36/151,629.84 = 53,757.14/x
  3. Step 3: Cross multiply
    101,119.36x = 151,629.84 × 53,757.14
  4. Step 4: Simplify right side
    101,119.36x = 8,151,186,831.50
  5. Step 5: Solve for x
    x = 8,151,186,831.50/101,119.36
  6. Step 6: Final answer
    x = 80,609.56

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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.