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Finding the Fourth Proportional to 107,594.91, 161,392.38 and 28,709.43

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Solution

The fourth proportional to 107,594.91, 161,392.38 and 28,709.43 is: 43,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,594.91 : 161,392.38 = 28,709.43 : x
  2. Step 2: Convert to fraction form
    107,594.91/161,392.38 = 28,709.43/x
  3. Step 3: Cross multiply
    107,594.91x = 161,392.38 × 28,709.43
  4. Step 4: Simplify right side
    107,594.91x = 4,633,483,236.14
  5. Step 5: Solve for x
    x = 4,633,483,236.14/107,594.91
  6. Step 6: Final answer
    x = 43,064.15

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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.