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Finding the Fourth Proportional to 67,943.03, 101,954.64 and 25,858.54

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Solution

The fourth proportional to 67,943.03, 101,954.64 and 25,858.54 is: 38,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,943.03 : 101,954.64 = 25,858.54 : x
  2. Step 2: Convert to fraction form
    67,943.03/101,954.64 = 25,858.54/x
  3. Step 3: Cross multiply
    67,943.03x = 101,954.64 × 25,858.54
  4. Step 4: Simplify right side
    67,943.03x = 2,636,398,179.22
  5. Step 5: Solve for x
    x = 2,636,398,179.22/67,943.03
  6. Step 6: Final answer
    x = 38,803.07

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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.