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Finding the Fourth Proportional to 281,814.67, 422,773.83 and 92,285.59

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Solution

The fourth proportional to 281,814.67, 422,773.83 and 92,285.59 is: 138,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,814.67 : 422,773.83 = 92,285.59 : x
  2. Step 2: Convert to fraction form
    281,814.67/422,773.83 = 92,285.59/x
  3. Step 3: Cross multiply
    281,814.67x = 422,773.83 × 92,285.59
  4. Step 4: Simplify right side
    281,814.67x = 39,015,932,338.11
  5. Step 5: Solve for x
    x = 39,015,932,338.11/281,814.67
  6. Step 6: Final answer
    x = 138,445.36

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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.