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Finding the Fourth Proportional to 100,069.02, 150,155.26 and 43,948.56

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Solution

The fourth proportional to 100,069.02, 150,155.26 and 43,948.56 is: 65,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,069.02 : 150,155.26 = 43,948.56 : x
  2. Step 2: Convert to fraction form
    100,069.02/150,155.26 = 43,948.56/x
  3. Step 3: Cross multiply
    100,069.02x = 150,155.26 × 43,948.56
  4. Step 4: Simplify right side
    100,069.02x = 6,599,107,453.43
  5. Step 5: Solve for x
    x = 6,599,107,453.43/100,069.02
  6. Step 6: Final answer
    x = 65,945.56

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1.5x scale

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.