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Finding the Fourth Proportional to 68,093.20, 101,938.20 and 50,640.40

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Solution

The fourth proportional to 68,093.20, 101,938.20 and 50,640.40 is: 75,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,093.20 : 101,938.20 = 50,640.40 : x
  2. Step 2: Convert to fraction form
    68,093.20/101,938.20 = 50,640.40/x
  3. Step 3: Cross multiply
    68,093.20x = 101,938.20 × 50,640.40
  4. Step 4: Simplify right side
    68,093.20x = 5,162,191,223.28
  5. Step 5: Solve for x
    x = 5,162,191,223.28/68,093.20
  6. Step 6: Final answer
    x = 75,810.67

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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.