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Finding the Fourth Proportional to 79,321.55, 118,906.47 and 29,388.24

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Solution

The fourth proportional to 79,321.55, 118,906.47 and 29,388.24 is: 44,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,321.55 : 118,906.47 = 29,388.24 : x
  2. Step 2: Convert to fraction form
    79,321.55/118,906.47 = 29,388.24/x
  3. Step 3: Cross multiply
    79,321.55x = 118,906.47 × 29,388.24
  4. Step 4: Simplify right side
    79,321.55x = 3,494,451,877.91
  5. Step 5: Solve for x
    x = 3,494,451,877.91/79,321.55
  6. Step 6: Final answer
    x = 44,054.26

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1.5x scale

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.