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Finding the Fourth Proportional to 79,266.52, 118,815.94 and 29,314.52

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Solution

The fourth proportional to 79,266.52, 118,815.94 and 29,314.52 is: 43,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266.52 : 118,815.94 = 29,314.52 : x
  2. Step 2: Convert to fraction form
    79,266.52/118,815.94 = 29,314.52/x
  3. Step 3: Cross multiply
    79,266.52x = 118,815.94 × 29,314.52
  4. Step 4: Simplify right side
    79,266.52x = 3,483,032,249.45
  5. Step 5: Solve for x
    x = 3,483,032,249.45/79,266.52
  6. Step 6: Final answer
    x = 43,940.77

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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.