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Finding the Fourth Proportional to 79,045.52, 118,569.83 and 29,099.91

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Solution

The fourth proportional to 79,045.52, 118,569.83 and 29,099.91 is: 43,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,045.52 : 118,569.83 = 29,099.91 : x
  2. Step 2: Convert to fraction form
    79,045.52/118,569.83 = 29,099.91/x
  3. Step 3: Cross multiply
    79,045.52x = 118,569.83 × 29,099.91
  4. Step 4: Simplify right side
    79,045.52x = 3,450,371,013.90
  5. Step 5: Solve for x
    x = 3,450,371,013.90/79,045.52
  6. Step 6: Final answer
    x = 43,650.43

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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.