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Finding the Fourth Proportional to 67,458.39, 101,192.49 and 25,905.39

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Solution

The fourth proportional to 67,458.39, 101,192.49 and 25,905.39 is: 38,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.39 : 101,192.49 = 25,905.39 : x
  2. Step 2: Convert to fraction form
    67,458.39/101,192.49 = 25,905.39/x
  3. Step 3: Cross multiply
    67,458.39x = 101,192.49 × 25,905.39
  4. Step 4: Simplify right side
    67,458.39x = 2,621,430,918.52
  5. Step 5: Solve for x
    x = 2,621,430,918.52/67,458.39
  6. Step 6: Final answer
    x = 38,859.97

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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.