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Finding the Fourth Proportional to 150,507.11, 225,760.11 and 38,187.05

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Solution

The fourth proportional to 150,507.11, 225,760.11 and 38,187.05 is: 57,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,507.11 : 225,760.11 = 38,187.05 : x
  2. Step 2: Convert to fraction form
    150,507.11/225,760.11 = 38,187.05/x
  3. Step 3: Cross multiply
    150,507.11x = 225,760.11 × 38,187.05
  4. Step 4: Simplify right side
    150,507.11x = 8,621,111,551.38
  5. Step 5: Solve for x
    x = 8,621,111,551.38/150,507.11
  6. Step 6: Final answer
    x = 57,280.43

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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.