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Finding the Fourth Proportional to 150,572.40, 225,858.60 and 39,764.40

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Solution

The fourth proportional to 150,572.40, 225,858.60 and 39,764.40 is: 59,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,572.40 : 225,858.60 = 39,764.40 : x
  2. Step 2: Convert to fraction form
    150,572.40/225,858.60 = 39,764.40/x
  3. Step 3: Cross multiply
    150,572.40x = 225,858.60 × 39,764.40
  4. Step 4: Simplify right side
    150,572.40x = 8,981,131,713.84
  5. Step 5: Solve for x
    x = 8,981,131,713.84/150,572.40
  6. Step 6: Final answer
    x = 59,646.60

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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.