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Finding the Fourth Proportional to 195,393.12, 292,855.32 and 100,668.48

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Solution

The fourth proportional to 195,393.12, 292,855.32 and 100,668.48 is: 150,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,393.12 : 292,855.32 = 100,668.48 : x
  2. Step 2: Convert to fraction form
    195,393.12/292,855.32 = 100,668.48/x
  3. Step 3: Cross multiply
    195,393.12x = 292,855.32 × 100,668.48
  4. Step 4: Simplify right side
    195,393.12x = 29,481,299,924.31
  5. Step 5: Solve for x
    x = 29,481,299,924.31/195,393.12
  6. Step 6: Final answer
    x = 150,881.98

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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.