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Finding the Fourth Proportional to 150,362.33, 225,472.87 and 87,200.40

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Solution

The fourth proportional to 150,362.33, 225,472.87 and 87,200.40 is: 130,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,362.33 : 225,472.87 = 87,200.40 : x
  2. Step 2: Convert to fraction form
    150,362.33/225,472.87 = 87,200.40/x
  3. Step 3: Cross multiply
    150,362.33x = 225,472.87 × 87,200.40
  4. Step 4: Simplify right side
    150,362.33x = 19,661,323,648.88
  5. Step 5: Solve for x
    x = 19,661,323,648.88/150,362.33
  6. Step 6: Final answer
    x = 130,759.64

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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.