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Finding the Fourth Proportional to 265,512.25, 366,405.81 and 144,653.17

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Solution

The fourth proportional to 265,512.25, 366,405.81 and 144,653.17 is: 199,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,512.25 : 366,405.81 = 144,653.17 : x
  2. Step 2: Convert to fraction form
    265,512.25/366,405.81 = 144,653.17/x
  3. Step 3: Cross multiply
    265,512.25x = 366,405.81 × 144,653.17
  4. Step 4: Simplify right side
    265,512.25x = 53,001,761,922.92
  5. Step 5: Solve for x
    x = 53,001,761,922.92/265,512.25
  6. Step 6: Final answer
    x = 199,620.78

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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.