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Finding the Fourth Proportional to 104,695.26, 144,468.22 and 61,671.38

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Solution

The fourth proportional to 104,695.26, 144,468.22 and 61,671.38 is: 85,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,695.26 : 144,468.22 = 61,671.38 : x
  2. Step 2: Convert to fraction form
    104,695.26/144,468.22 = 61,671.38/x
  3. Step 3: Cross multiply
    104,695.26x = 144,468.22 × 61,671.38
  4. Step 4: Simplify right side
    104,695.26x = 8,909,554,493.54
  5. Step 5: Solve for x
    x = 8,909,554,493.54/104,695.26
  6. Step 6: Final answer
    x = 85,099.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.