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Finding the Fourth Proportional to 68,171.73, 94,051.54 and 68,066.48

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Solution

The fourth proportional to 68,171.73, 94,051.54 and 68,066.48 is: 93,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,171.73 : 94,051.54 = 68,066.48 : x
  2. Step 2: Convert to fraction form
    68,171.73/94,051.54 = 68,066.48/x
  3. Step 3: Cross multiply
    68,171.73x = 94,051.54 × 68,066.48
  4. Step 4: Simplify right side
    68,171.73x = 6,401,757,266.38
  5. Step 5: Solve for x
    x = 6,401,757,266.38/68,171.73
  6. Step 6: Final answer
    x = 93,906.33

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1.5x scale

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.