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Finding the Fourth Proportional to 206,867.00, 310,362.77 and 73,729.94

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Solution

The fourth proportional to 206,867.00, 310,362.77 and 73,729.94 is: 110,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,867.00 : 310,362.77 = 73,729.94 : x
  2. Step 2: Convert to fraction form
    206,867.00/310,362.77 = 73,729.94/x
  3. Step 3: Cross multiply
    206,867.00x = 310,362.77 × 73,729.94
  4. Step 4: Simplify right side
    206,867.00x = 22,883,027,042.84
  5. Step 5: Solve for x
    x = 22,883,027,042.84/206,867.00
  6. Step 6: Final answer
    x = 110,617.10

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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.