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Finding the Fourth Proportional to 79,103.93, 118,665.68 and 29,184.29

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Solution

The fourth proportional to 79,103.93, 118,665.68 and 29,184.29 is: 43,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,103.93 : 118,665.68 = 29,184.29 : x
  2. Step 2: Convert to fraction form
    79,103.93/118,665.68 = 29,184.29/x
  3. Step 3: Cross multiply
    79,103.93x = 118,665.68 × 29,184.29
  4. Step 4: Simplify right side
    79,103.93x = 3,463,172,878.92
  5. Step 5: Solve for x
    x = 3,463,172,878.92/79,103.93
  6. Step 6: Final answer
    x = 43,780.04

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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.