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Finding the Fourth Proportional to 281,463.59, 422,191.60 and 68,233.34

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Solution

The fourth proportional to 281,463.59, 422,191.60 and 68,233.34 is: 102,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,463.59 : 422,191.60 = 68,233.34 : x
  2. Step 2: Convert to fraction form
    281,463.59/422,191.60 = 68,233.34/x
  3. Step 3: Cross multiply
    281,463.59x = 422,191.60 × 68,233.34
  4. Step 4: Simplify right side
    281,463.59x = 28,807,542,987.94
  5. Step 5: Solve for x
    x = 28,807,542,987.94/281,463.59
  6. Step 6: Final answer
    x = 102,349.09

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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.