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Finding the Fourth Proportional to 79,059.74, 118,636.17 and 29,174.94

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Solution

The fourth proportional to 79,059.74, 118,636.17 and 29,174.94 is: 43,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,059.74 : 118,636.17 = 29,174.94 : x
  2. Step 2: Convert to fraction form
    79,059.74/118,636.17 = 29,174.94/x
  3. Step 3: Cross multiply
    79,059.74x = 118,636.17 × 29,174.94
  4. Step 4: Simplify right side
    79,059.74x = 3,461,203,141.58
  5. Step 5: Solve for x
    x = 3,461,203,141.58/79,059.74
  6. Step 6: Final answer
    x = 43,779.59

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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.