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Finding the Fourth Proportional to 159,167.42, 219,682.24 and 91,229.93

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Solution

The fourth proportional to 159,167.42, 219,682.24 and 91,229.93 is: 125,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,167.42 : 219,682.24 = 91,229.93 : x
  2. Step 2: Convert to fraction form
    159,167.42/219,682.24 = 91,229.93/x
  3. Step 3: Cross multiply
    159,167.42x = 219,682.24 × 91,229.93
  4. Step 4: Simplify right side
    159,167.42x = 20,041,595,377.44
  5. Step 5: Solve for x
    x = 20,041,595,377.44/159,167.42
  6. Step 6: Final answer
    x = 125,915.19

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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.