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Finding the Fourth Proportional to 194,968.76, 269,057.57 and 105,544.76

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Solution

The fourth proportional to 194,968.76, 269,057.57 and 105,544.76 is: 145,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,968.76 : 269,057.57 = 105,544.76 : x
  2. Step 2: Convert to fraction form
    194,968.76/269,057.57 = 105,544.76/x
  3. Step 3: Cross multiply
    194,968.76x = 269,057.57 × 105,544.76
  4. Step 4: Simplify right side
    194,968.76x = 28,397,614,778.82
  5. Step 5: Solve for x
    x = 28,397,614,778.82/194,968.76
  6. Step 6: Final answer
    x = 145,652.13

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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.