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Finding the Fourth Proportional to 106,638.66, 147,161.43 and 58,241.25

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Solution

The fourth proportional to 106,638.66, 147,161.43 and 58,241.25 is: 80,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,638.66 : 147,161.43 = 58,241.25 : x
  2. Step 2: Convert to fraction form
    106,638.66/147,161.43 = 58,241.25/x
  3. Step 3: Cross multiply
    106,638.66x = 147,161.43 × 58,241.25
  4. Step 4: Simplify right side
    106,638.66x = 8,570,865,634.99
  5. Step 5: Solve for x
    x = 8,570,865,634.99/106,638.66
  6. Step 6: Final answer
    x = 80,372.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.