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Finding the Fourth Proportional to 195,393.62, 292,856.07 and 100,668.98

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Solution

The fourth proportional to 195,393.62, 292,856.07 and 100,668.98 is: 150,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,393.62 : 292,856.07 = 100,668.98 : x
  2. Step 2: Convert to fraction form
    195,393.62/292,856.07 = 100,668.98/x
  3. Step 3: Cross multiply
    195,393.62x = 292,856.07 × 100,668.98
  4. Step 4: Simplify right side
    195,393.62x = 29,481,521,853.71
  5. Step 5: Solve for x
    x = 29,481,521,853.71/195,393.62
  6. Step 6: Final answer
    x = 150,882.73

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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.