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Finding the Fourth Proportional to 134,406.39, 201,734.19 and 67,893.18

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Solution

The fourth proportional to 134,406.39, 201,734.19 and 67,893.18 is: 101,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,406.39 : 201,734.19 = 67,893.18 : x
  2. Step 2: Convert to fraction form
    134,406.39/201,734.19 = 67,893.18/x
  3. Step 3: Cross multiply
    134,406.39x = 201,734.19 × 67,893.18
  4. Step 4: Simplify right side
    134,406.39x = 13,696,375,673.82
  5. Step 5: Solve for x
    x = 13,696,375,673.82/134,406.39
  6. Step 6: Final answer
    x = 101,902.71

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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.