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Finding the Fourth Proportional to 163,512, 246,360.60 and 147,735.36

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Solution

The fourth proportional to 163,512, 246,360.60 and 147,735.36 is: 222,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,512 : 246,360.60 = 147,735.36 : x
  2. Step 2: Convert to fraction form
    163,512/246,360.60 = 147,735.36/x
  3. Step 3: Cross multiply
    163,512x = 246,360.60 × 147,735.36
  4. Step 4: Simplify right side
    163,512x = 36,396,171,930.82
  5. Step 5: Solve for x
    x = 36,396,171,930.82/163,512
  6. Step 6: Final answer
    x = 222,590.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.