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Finding the Fourth Proportional to 159,247.38, 238,820.22 and 52,611.42

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Solution

The fourth proportional to 159,247.38, 238,820.22 and 52,611.42 is: 78,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,247.38 : 238,820.22 = 52,611.42 : x
  2. Step 2: Convert to fraction form
    159,247.38/238,820.22 = 52,611.42/x
  3. Step 3: Cross multiply
    159,247.38x = 238,820.22 × 52,611.42
  4. Step 4: Simplify right side
    159,247.38x = 12,564,670,898.91
  5. Step 5: Solve for x
    x = 12,564,670,898.91/159,247.38
  6. Step 6: Final answer
    x = 78,900.33

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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.