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Finding the Fourth Proportional to 79,400.66, 119,025.17 and 29,467.40

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Solution

The fourth proportional to 79,400.66, 119,025.17 and 29,467.40 is: 44,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,400.66 : 119,025.17 = 29,467.40 : x
  2. Step 2: Convert to fraction form
    79,400.66/119,025.17 = 29,467.40/x
  3. Step 3: Cross multiply
    79,400.66x = 119,025.17 × 29,467.40
  4. Step 4: Simplify right side
    79,400.66x = 3,507,361,773.00
  5. Step 5: Solve for x
    x = 3,507,361,773.00/79,400.66
  6. Step 6: Final answer
    x = 44,172.96

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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.