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Finding the Fourth Proportional to 104,371.44, 144,046.16 and 58,448.57

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Solution

The fourth proportional to 104,371.44, 144,046.16 and 58,448.57 is: 80,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,371.44 : 144,046.16 = 58,448.57 : x
  2. Step 2: Convert to fraction form
    104,371.44/144,046.16 = 58,448.57/x
  3. Step 3: Cross multiply
    104,371.44x = 144,046.16 × 58,448.57
  4. Step 4: Simplify right side
    104,371.44x = 8,419,291,053.52
  5. Step 5: Solve for x
    x = 8,419,291,053.52/104,371.44
  6. Step 6: Final answer
    x = 80,666.62

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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.