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Finding the Fourth Proportional to 245,396.59, 368,103.07 and 67,888.73

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Solution

The fourth proportional to 245,396.59, 368,103.07 and 67,888.73 is: 101,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,396.59 : 368,103.07 = 67,888.73 : x
  2. Step 2: Convert to fraction form
    245,396.59/368,103.07 = 67,888.73/x
  3. Step 3: Cross multiply
    245,396.59x = 368,103.07 × 67,888.73
  4. Step 4: Simplify right side
    245,396.59x = 24,990,050,936.52
  5. Step 5: Solve for x
    x = 24,990,050,936.52/245,396.59
  6. Step 6: Final answer
    x = 101,835.36

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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.