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Finding the Fourth Proportional to 214,472.22, 321,694.56 and 88,079.82

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Solution

The fourth proportional to 214,472.22, 321,694.56 and 88,079.82 is: 132,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,472.22 : 321,694.56 = 88,079.82 : x
  2. Step 2: Convert to fraction form
    214,472.22/321,694.56 = 88,079.82/x
  3. Step 3: Cross multiply
    214,472.22x = 321,694.56 × 88,079.82
  4. Step 4: Simplify right side
    214,472.22x = 28,334,798,939.78
  5. Step 5: Solve for x
    x = 28,334,798,939.78/214,472.22
  6. Step 6: Final answer
    x = 132,114.07

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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.