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Finding the Fourth Proportional to 163,676, 225,873.12 and 96,608

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Solution

The fourth proportional to 163,676, 225,873.12 and 96,608 is: 133,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,676 : 225,873.12 = 96,608 : x
  2. Step 2: Convert to fraction form
    163,676/225,873.12 = 96,608/x
  3. Step 3: Cross multiply
    163,676x = 225,873.12 × 96,608
  4. Step 4: Simplify right side
    163,676x = 21,821,150,376.96
  5. Step 5: Solve for x
    x = 21,821,150,376.96/163,676
  6. Step 6: Final answer
    x = 133,319.18

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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.