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Finding the Fourth Proportional to 104,448, 144,138.42 and 59,736

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Solution

The fourth proportional to 104,448, 144,138.42 and 59,736 is: 82,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,448 : 144,138.42 = 59,736 : x
  2. Step 2: Convert to fraction form
    104,448/144,138.42 = 59,736/x
  3. Step 3: Cross multiply
    104,448x = 144,138.42 × 59,736
  4. Step 4: Simplify right side
    104,448x = 8,610,252,657.12
  5. Step 5: Solve for x
    x = 8,610,252,657.12/104,448
  6. Step 6: Final answer
    x = 82,435.78

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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.