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Finding the Fourth Proportional to 150,601.68, 225,904.14 and 45,421.56

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Solution

The fourth proportional to 150,601.68, 225,904.14 and 45,421.56 is: 68,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,601.68 : 225,904.14 = 45,421.56 : x
  2. Step 2: Convert to fraction form
    150,601.68/225,904.14 = 45,421.56/x
  3. Step 3: Cross multiply
    150,601.68x = 225,904.14 × 45,421.56
  4. Step 4: Simplify right side
    150,601.68x = 10,260,918,449.26
  5. Step 5: Solve for x
    x = 10,260,918,449.26/150,601.68
  6. Step 6: Final answer
    x = 68,132.83

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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.