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Finding the Fourth Proportional to 79,358.32, 119,044.44 and 29,438.98

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Solution

The fourth proportional to 79,358.32, 119,044.44 and 29,438.98 is: 44,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,358.32 : 119,044.44 = 29,438.98 : x
  2. Step 2: Convert to fraction form
    79,358.32/119,044.44 = 29,438.98/x
  3. Step 3: Cross multiply
    79,358.32x = 119,044.44 × 29,438.98
  4. Step 4: Simplify right side
    79,358.32x = 3,504,546,888.27
  5. Step 5: Solve for x
    x = 3,504,546,888.27/79,358.32
  6. Step 6: Final answer
    x = 44,161.05

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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.