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Finding the Fourth Proportional to 218,573.06, 327,349.29 and 168,253.88

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Solution

The fourth proportional to 218,573.06, 327,349.29 and 168,253.88 is: 251,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,573.06 : 327,349.29 = 168,253.88 : x
  2. Step 2: Convert to fraction form
    218,573.06/327,349.29 = 168,253.88/x
  3. Step 3: Cross multiply
    218,573.06x = 327,349.29 × 168,253.88
  4. Step 4: Simplify right side
    218,573.06x = 55,077,788,157.75
  5. Step 5: Solve for x
    x = 55,077,788,157.75/218,573.06
  6. Step 6: Final answer
    x = 251,988.00

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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.