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Finding the Fourth Proportional to 68,151.44, 102,079.38 and 33,017.42

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Solution

The fourth proportional to 68,151.44, 102,079.38 and 33,017.42 is: 49,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,151.44 : 102,079.38 = 33,017.42 : x
  2. Step 2: Convert to fraction form
    68,151.44/102,079.38 = 33,017.42/x
  3. Step 3: Cross multiply
    68,151.44x = 102,079.38 × 33,017.42
  4. Step 4: Simplify right side
    68,151.44x = 3,370,397,762.80
  5. Step 5: Solve for x
    x = 3,370,397,762.80/68,151.44
  6. Step 6: Final answer
    x = 49,454.53

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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.