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Finding the Fourth Proportional to 214,559.88, 321,795.72 and 88,076.76

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Solution

The fourth proportional to 214,559.88, 321,795.72 and 88,076.76 is: 132,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,559.88 : 321,795.72 = 88,076.76 : x
  2. Step 2: Convert to fraction form
    214,559.88/321,795.72 = 88,076.76/x
  3. Step 3: Cross multiply
    214,559.88x = 321,795.72 × 88,076.76
  4. Step 4: Simplify right side
    214,559.88x = 28,342,724,399.47
  5. Step 5: Solve for x
    x = 28,342,724,399.47/214,559.88
  6. Step 6: Final answer
    x = 132,097.04

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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.