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Finding the Fourth Proportional to 196,753.34, 295,192.30 and 70,390.79

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Solution

The fourth proportional to 196,753.34, 295,192.30 and 70,390.79 is: 105,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,753.34 : 295,192.30 = 70,390.79 : x
  2. Step 2: Convert to fraction form
    196,753.34/295,192.30 = 70,390.79/x
  3. Step 3: Cross multiply
    196,753.34x = 295,192.30 × 70,390.79
  4. Step 4: Simplify right side
    196,753.34x = 20,778,819,198.92
  5. Step 5: Solve for x
    x = 20,778,819,198.92/196,753.34
  6. Step 6: Final answer
    x = 105,608.47

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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.