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Finding the Fourth Proportional to 150,236.78, 225,023.00 and 102,739.32

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Solution

The fourth proportional to 150,236.78, 225,023.00 and 102,739.32 is: 153,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,236.78 : 225,023.00 = 102,739.32 : x
  2. Step 2: Convert to fraction form
    150,236.78/225,023.00 = 102,739.32/x
  3. Step 3: Cross multiply
    150,236.78x = 225,023.00 × 102,739.32
  4. Step 4: Simplify right side
    150,236.78x = 23,118,709,490.66
  5. Step 5: Solve for x
    x = 23,118,709,490.66/150,236.78
  6. Step 6: Final answer
    x = 153,881.83

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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.