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Finding the Fourth Proportional to 113,186, 169,779 and 63,941.84

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Solution

The fourth proportional to 113,186, 169,779 and 63,941.84 is: 95,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186 : 169,779 = 63,941.84 : x
  2. Step 2: Convert to fraction form
    113,186/169,779 = 63,941.84/x
  3. Step 3: Cross multiply
    113,186x = 169,779 × 63,941.84
  4. Step 4: Simplify right side
    113,186x = 10,855,981,653.36
  5. Step 5: Solve for x
    x = 10,855,981,653.36/113,186
  6. Step 6: Final answer
    x = 95,912.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.