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Finding the Fourth Proportional to 100,437.20, 150,481.08 and 60,900.56

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Solution

The fourth proportional to 100,437.20, 150,481.08 and 60,900.56 is: 91,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,437.20 : 150,481.08 = 60,900.56 : x
  2. Step 2: Convert to fraction form
    100,437.20/150,481.08 = 60,900.56/x
  3. Step 3: Cross multiply
    100,437.20x = 150,481.08 × 60,900.56
  4. Step 4: Simplify right side
    100,437.20x = 9,164,382,041.40
  5. Step 5: Solve for x
    x = 9,164,382,041.40/100,437.20
  6. Step 6: Final answer
    x = 91,244.90

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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.