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Finding the Fourth Proportional to 68,797.48, 103,196.24 and 45,418.44

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Solution

The fourth proportional to 68,797.48, 103,196.24 and 45,418.44 is: 68,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,797.48 : 103,196.24 = 45,418.44 : x
  2. Step 2: Convert to fraction form
    68,797.48/103,196.24 = 45,418.44/x
  3. Step 3: Cross multiply
    68,797.48x = 103,196.24 × 45,418.44
  4. Step 4: Simplify right side
    68,797.48x = 4,687,012,234.67
  5. Step 5: Solve for x
    x = 4,687,012,234.67/68,797.48
  6. Step 6: Final answer
    x = 68,127.67

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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.