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Finding the Fourth Proportional to 68,004.77, 102,023.55 and 43,072.97

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Solution

The fourth proportional to 68,004.77, 102,023.55 and 43,072.97 is: 64,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,004.77 : 102,023.55 = 43,072.97 : x
  2. Step 2: Convert to fraction form
    68,004.77/102,023.55 = 43,072.97/x
  3. Step 3: Cross multiply
    68,004.77x = 102,023.55 × 43,072.97
  4. Step 4: Simplify right side
    68,004.77x = 4,394,456,798.33
  5. Step 5: Solve for x
    x = 4,394,456,798.33/68,004.77
  6. Step 6: Final answer
    x = 64,619.84

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1.5x scale

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.