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Finding the Fourth Proportional to 50,262.22, 75,746.32 and 45,270.85

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Solution

The fourth proportional to 50,262.22, 75,746.32 and 45,270.85 is: 68,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,262.22 : 75,746.32 = 45,270.85 : x
  2. Step 2: Convert to fraction form
    50,262.22/75,746.32 = 45,270.85/x
  3. Step 3: Cross multiply
    50,262.22x = 75,746.32 × 45,270.85
  4. Step 4: Simplify right side
    50,262.22x = 3,429,099,912.04
  5. Step 5: Solve for x
    x = 3,429,099,912.04/50,262.22
  6. Step 6: Final answer
    x = 68,224.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.