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Finding the Fourth Proportional to 104,213.67, 143,812.97 and 58,890.67

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Solution

The fourth proportional to 104,213.67, 143,812.97 and 58,890.67 is: 81,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,213.67 : 143,812.97 = 58,890.67 : x
  2. Step 2: Convert to fraction form
    104,213.67/143,812.97 = 58,890.67/x
  3. Step 3: Cross multiply
    104,213.67x = 143,812.97 × 58,890.67
  4. Step 4: Simplify right side
    104,213.67x = 8,469,242,157.99
  5. Step 5: Solve for x
    x = 8,469,242,157.99/104,213.67
  6. Step 6: Final answer
    x = 81,268.05

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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.