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Finding the Fourth Proportional to 79,076.30, 118,598.04 and 29,143.44

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Solution

The fourth proportional to 79,076.30, 118,598.04 and 29,143.44 is: 43,709.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.30 : 118,598.04 = 29,143.44 : x
  2. Step 2: Convert to fraction form
    79,076.30/118,598.04 = 29,143.44/x
  3. Step 3: Cross multiply
    79,076.30x = 118,598.04 × 29,143.44
  4. Step 4: Simplify right side
    79,076.30x = 3,456,354,862.86
  5. Step 5: Solve for x
    x = 3,456,354,862.86/79,076.30
  6. Step 6: Final answer
    x = 43,709.11

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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.