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Finding the Fourth Proportional to 194,920.44, 268,990.13 and 105,496.44

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Solution

The fourth proportional to 194,920.44, 268,990.13 and 105,496.44 is: 145,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,920.44 : 268,990.13 = 105,496.44 : x
  2. Step 2: Convert to fraction form
    194,920.44/268,990.13 = 105,496.44/x
  3. Step 3: Cross multiply
    194,920.44x = 268,990.13 × 105,496.44
  4. Step 4: Simplify right side
    194,920.44x = 28,377,501,110.14
  5. Step 5: Solve for x
    x = 28,377,501,110.14/194,920.44
  6. Step 6: Final answer
    x = 145,585.05

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1.5x scale

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.