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Finding the Fourth Proportional to 194,805.68, 268,829.22 and 108,765.98

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Solution

The fourth proportional to 194,805.68, 268,829.22 and 108,765.98 is: 150,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,805.68 : 268,829.22 = 108,765.98 : x
  2. Step 2: Convert to fraction form
    194,805.68/268,829.22 = 108,765.98/x
  3. Step 3: Cross multiply
    194,805.68x = 268,829.22 × 108,765.98
  4. Step 4: Simplify right side
    194,805.68x = 29,239,473,565.94
  5. Step 5: Solve for x
    x = 29,239,473,565.94/194,805.68
  6. Step 6: Final answer
    x = 150,095.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.