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Finding the Fourth Proportional to 67,662.54, 101,466.05 and 20,260.93

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Solution

The fourth proportional to 67,662.54, 101,466.05 and 20,260.93 is: 30,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,662.54 : 101,466.05 = 20,260.93 : x
  2. Step 2: Convert to fraction form
    67,662.54/101,466.05 = 20,260.93/x
  3. Step 3: Cross multiply
    67,662.54x = 101,466.05 × 20,260.93
  4. Step 4: Simplify right side
    67,662.54x = 2,055,796,536.43
  5. Step 5: Solve for x
    x = 2,055,796,536.43/67,662.54
  6. Step 6: Final answer
    x = 30,383.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.