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Finding the Fourth Proportional to 260,947.82, 360,107.96 and 147,792.44

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Solution

The fourth proportional to 260,947.82, 360,107.96 and 147,792.44 is: 203,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,947.82 : 360,107.96 = 147,792.44 : x
  2. Step 2: Convert to fraction form
    260,947.82/360,107.96 = 147,792.44/x
  3. Step 3: Cross multiply
    260,947.82x = 360,107.96 × 147,792.44
  4. Step 4: Simplify right side
    260,947.82x = 53,221,234,071.82
  5. Step 5: Solve for x
    x = 53,221,234,071.82/260,947.82
  6. Step 6: Final answer
    x = 203,953.55

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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.