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Finding the Fourth Proportional to 150,661.80, 225,737.22 and 100,025.40

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Solution

The fourth proportional to 150,661.80, 225,737.22 and 100,025.40 is: 149,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,661.80 : 225,737.22 = 100,025.40 : x
  2. Step 2: Convert to fraction form
    150,661.80/225,737.22 = 100,025.40/x
  3. Step 3: Cross multiply
    150,661.80x = 225,737.22 × 100,025.40
  4. Step 4: Simplify right side
    150,661.80x = 22,579,455,725.39
  5. Step 5: Solve for x
    x = 22,579,455,725.39/150,661.80
  6. Step 6: Final answer
    x = 149,868.49

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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.