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Finding the Fourth Proportional to 281,982.07, 422,804.14 and 89,773.43

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Solution

The fourth proportional to 281,982.07, 422,804.14 and 89,773.43 is: 134,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,982.07 : 422,804.14 = 89,773.43 : x
  2. Step 2: Convert to fraction form
    281,982.07/422,804.14 = 89,773.43/x
  3. Step 3: Cross multiply
    281,982.07x = 422,804.14 × 89,773.43
  4. Step 4: Simplify right side
    281,982.07x = 37,956,576,808.99
  5. Step 5: Solve for x
    x = 37,956,576,808.99/281,982.07
  6. Step 6: Final answer
    x = 134,606.35

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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.