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Finding the Fourth Proportional to 196,738.72, 295,035.72 and 70,344.82

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Solution

The fourth proportional to 196,738.72, 295,035.72 and 70,344.82 is: 105,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,738.72 : 295,035.72 = 70,344.82 : x
  2. Step 2: Convert to fraction form
    196,738.72/295,035.72 = 70,344.82/x
  3. Step 3: Cross multiply
    196,738.72x = 295,035.72 × 70,344.82
  4. Step 4: Simplify right side
    196,738.72x = 20,754,234,616.97
  5. Step 5: Solve for x
    x = 20,754,234,616.97/196,738.72
  6. Step 6: Final answer
    x = 105,491.36

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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.