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Finding the Fourth Proportional to 91,059.99, 136,512.10 and 34,940.37

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Solution

The fourth proportional to 91,059.99, 136,512.10 and 34,940.37 is: 52,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.99 : 136,512.10 = 34,940.37 : x
  2. Step 2: Convert to fraction form
    91,059.99/136,512.10 = 34,940.37/x
  3. Step 3: Cross multiply
    91,059.99x = 136,512.10 × 34,940.37
  4. Step 4: Simplify right side
    91,059.99x = 4,769,783,108.78
  5. Step 5: Solve for x
    x = 4,769,783,108.78/91,059.99
  6. Step 6: Final answer
    x = 52,380.67

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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.