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Finding the Fourth Proportional to 218,571.06, 327,346.29 and 168,251.88

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Solution

The fourth proportional to 218,571.06, 327,346.29 and 168,251.88 is: 251,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,571.06 : 327,346.29 = 168,251.88 : x
  2. Step 2: Convert to fraction form
    218,571.06/327,346.29 = 168,251.88/x
  3. Step 3: Cross multiply
    218,571.06x = 327,346.29 × 168,251.88
  4. Step 4: Simplify right side
    218,571.06x = 55,076,628,703.53
  5. Step 5: Solve for x
    x = 55,076,628,703.53/218,571.06
  6. Step 6: Final answer
    x = 251,985.00

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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.