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Finding the Fourth Proportional to 194,707.84, 268,704.96 and 123,061.84

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Solution

The fourth proportional to 194,707.84, 268,704.96 and 123,061.84 is: 169,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,707.84 : 268,704.96 = 123,061.84 : x
  2. Step 2: Convert to fraction form
    194,707.84/268,704.96 = 123,061.84/x
  3. Step 3: Cross multiply
    194,707.84x = 268,704.96 × 123,061.84
  4. Step 4: Simplify right side
    194,707.84x = 33,067,326,794.73
  5. Step 5: Solve for x
    x = 33,067,326,794.73/194,707.84
  6. Step 6: Final answer
    x = 169,830.48

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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.