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Finding the Fourth Proportional to 262,886.11, 362,783 and 142,027.33

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Solution

The fourth proportional to 262,886.11, 362,783 and 142,027.33 is: 195,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,886.11 : 362,783 = 142,027.33 : x
  2. Step 2: Convert to fraction form
    262,886.11/362,783 = 142,027.33/x
  3. Step 3: Cross multiply
    262,886.11x = 362,783 × 142,027.33
  4. Step 4: Simplify right side
    262,886.11x = 51,525,100,859.39
  5. Step 5: Solve for x
    x = 51,525,100,859.39/262,886.11
  6. Step 6: Final answer
    x = 195,997.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.