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Finding the Fourth Proportional to 194,694, 268,687.08 and 109,809.12

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Solution

The fourth proportional to 194,694, 268,687.08 and 109,809.12 is: 151,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,694 : 268,687.08 = 109,809.12 : x
  2. Step 2: Convert to fraction form
    194,694/268,687.08 = 109,809.12/x
  3. Step 3: Cross multiply
    194,694x = 268,687.08 × 109,809.12
  4. Step 4: Simplify right side
    194,694x = 29,504,291,810.17
  5. Step 5: Solve for x
    x = 29,504,291,810.17/194,694
  6. Step 6: Final answer
    x = 151,541.86

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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.