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Finding the Fourth Proportional to 107,996.76, 149,040.14 and 60,250.10

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Solution

The fourth proportional to 107,996.76, 149,040.14 and 60,250.10 is: 83,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,996.76 : 149,040.14 = 60,250.10 : x
  2. Step 2: Convert to fraction form
    107,996.76/149,040.14 = 60,250.10/x
  3. Step 3: Cross multiply
    107,996.76x = 149,040.14 × 60,250.10
  4. Step 4: Simplify right side
    107,996.76x = 8,979,682,292.56
  5. Step 5: Solve for x
    x = 8,979,682,292.56/107,996.76
  6. Step 6: Final answer
    x = 83,147.70

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1.5x scale

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.