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Finding the Fourth Proportional to 217,094.17, 325,672.80 and 67,346.39

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Solution

The fourth proportional to 217,094.17, 325,672.80 and 67,346.39 is: 101,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,094.17 : 325,672.80 = 67,346.39 : x
  2. Step 2: Convert to fraction form
    217,094.17/325,672.80 = 67,346.39/x
  3. Step 3: Cross multiply
    217,094.17x = 325,672.80 × 67,346.39
  4. Step 4: Simplify right side
    217,094.17x = 21,932,888,215.37
  5. Step 5: Solve for x
    x = 21,932,888,215.37/217,094.17
  6. Step 6: Final answer
    x = 101,029.38

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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.