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Finding the Fourth Proportional to 151,157.92, 208,591.67 and 82,247.67

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Solution

The fourth proportional to 151,157.92, 208,591.67 and 82,247.67 is: 113,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,157.92 : 208,591.67 = 82,247.67 : x
  2. Step 2: Convert to fraction form
    151,157.92/208,591.67 = 82,247.67/x
  3. Step 3: Cross multiply
    151,157.92x = 208,591.67 × 82,247.67
  4. Step 4: Simplify right side
    151,157.92x = 17,156,177,795.95
  5. Step 5: Solve for x
    x = 17,156,177,795.95/151,157.92
  6. Step 6: Final answer
    x = 113,498.37

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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.