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Finding the Fourth Proportional to 214,194.51, 321,227.04 and 64,395.03

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Solution

The fourth proportional to 214,194.51, 321,227.04 and 64,395.03 is: 96,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,194.51 : 321,227.04 = 64,395.03 : x
  2. Step 2: Convert to fraction form
    214,194.51/321,227.04 = 64,395.03/x
  3. Step 3: Cross multiply
    214,194.51x = 321,227.04 × 64,395.03
  4. Step 4: Simplify right side
    214,194.51x = 20,685,424,877.61
  5. Step 5: Solve for x
    x = 20,685,424,877.61/214,194.51
  6. Step 6: Final answer
    x = 96,573.09

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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.