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Finding the Fourth Proportional to 270,201.32, 405,240.34 and 101,739.41

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Solution

The fourth proportional to 270,201.32, 405,240.34 and 101,739.41 is: 152,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,201.32 : 405,240.34 = 101,739.41 : x
  2. Step 2: Convert to fraction form
    270,201.32/405,240.34 = 101,739.41/x
  3. Step 3: Cross multiply
    270,201.32x = 405,240.34 × 101,739.41
  4. Step 4: Simplify right side
    270,201.32x = 41,228,913,099.80
  5. Step 5: Solve for x
    x = 41,228,913,099.80/270,201.32
  6. Step 6: Final answer
    x = 152,585.91

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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.