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Finding the Fourth Proportional to 245,429.73, 368,145.10 and 67,937.27

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Solution

The fourth proportional to 245,429.73, 368,145.10 and 67,937.27 is: 101,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,429.73 : 368,145.10 = 67,937.27 : x
  2. Step 2: Convert to fraction form
    245,429.73/368,145.10 = 67,937.27/x
  3. Step 3: Cross multiply
    245,429.73x = 368,145.10 × 67,937.27
  4. Step 4: Simplify right side
    245,429.73x = 25,010,771,217.15
  5. Step 5: Solve for x
    x = 25,010,771,217.15/245,429.73
  6. Step 6: Final answer
    x = 101,906.04

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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.