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Finding the Fourth Proportional to 196,512.33, 294,657.76 and 68,369.85

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Solution

The fourth proportional to 196,512.33, 294,657.76 and 68,369.85 is: 102,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,512.33 : 294,657.76 = 68,369.85 : x
  2. Step 2: Convert to fraction form
    196,512.33/294,657.76 = 68,369.85/x
  3. Step 3: Cross multiply
    196,512.33x = 294,657.76 × 68,369.85
  4. Step 4: Simplify right side
    196,512.33x = 20,145,706,681.61
  5. Step 5: Solve for x
    x = 20,145,706,681.61/196,512.33
  6. Step 6: Final answer
    x = 102,516.25

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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.