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Finding the Fourth Proportional to 150,276.66, 225,057.21 and 86,963.32

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Solution

The fourth proportional to 150,276.66, 225,057.21 and 86,963.32 is: 130,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,276.66 : 225,057.21 = 86,963.32 : x
  2. Step 2: Convert to fraction form
    150,276.66/225,057.21 = 86,963.32/x
  3. Step 3: Cross multiply
    150,276.66x = 225,057.21 × 86,963.32
  4. Step 4: Simplify right side
    150,276.66x = 19,571,722,171.54
  5. Step 5: Solve for x
    x = 19,571,722,171.54/150,276.66
  6. Step 6: Final answer
    x = 130,237.94

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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.