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Finding the Fourth Proportional to 67,906.68, 101,865.47 and 25,806.93

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Solution

The fourth proportional to 67,906.68, 101,865.47 and 25,806.93 is: 38,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,906.68 : 101,865.47 = 25,806.93 : x
  2. Step 2: Convert to fraction form
    67,906.68/101,865.47 = 25,806.93/x
  3. Step 3: Cross multiply
    67,906.68x = 101,865.47 × 25,806.93
  4. Step 4: Simplify right side
    67,906.68x = 2,628,834,924.67
  5. Step 5: Solve for x
    x = 2,628,834,924.67/67,906.68
  6. Step 6: Final answer
    x = 38,712.46

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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.