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Finding the Fourth Proportional to 194,745, 268,743.24 and 109,855.38

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Solution

The fourth proportional to 194,745, 268,743.24 and 109,855.38 is: 151,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,745 : 268,743.24 = 109,855.38 : x
  2. Step 2: Convert to fraction form
    194,745/268,743.24 = 109,855.38/x
  3. Step 3: Cross multiply
    194,745x = 268,743.24 × 109,855.38
  4. Step 4: Simplify right side
    194,745x = 29,522,890,752.63
  5. Step 5: Solve for x
    x = 29,522,890,752.63/194,745
  6. Step 6: Final answer
    x = 151,597.68

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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.