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Finding the Fourth Proportional to 150,392.70, 225,698.40 and 100,456.20

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Solution

The fourth proportional to 150,392.70, 225,698.40 and 100,456.20 is: 150,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,392.70 : 225,698.40 = 100,456.20 : x
  2. Step 2: Convert to fraction form
    150,392.70/225,698.40 = 100,456.20/x
  3. Step 3: Cross multiply
    150,392.70x = 225,698.40 × 100,456.20
  4. Step 4: Simplify right side
    150,392.70x = 22,672,803,610.08
  5. Step 5: Solve for x
    x = 22,672,803,610.08/150,392.70
  6. Step 6: Final answer
    x = 150,757.34

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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.