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Finding the Fourth Proportional to 70,324.62, 105,414.03 and 43,968.84

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Solution

The fourth proportional to 70,324.62, 105,414.03 and 43,968.84 is: 65,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.62 : 105,414.03 = 43,968.84 : x
  2. Step 2: Convert to fraction form
    70,324.62/105,414.03 = 43,968.84/x
  3. Step 3: Cross multiply
    70,324.62x = 105,414.03 × 43,968.84
  4. Step 4: Simplify right side
    70,324.62x = 4,634,932,618.83
  5. Step 5: Solve for x
    x = 4,634,932,618.83/70,324.62
  6. Step 6: Final answer
    x = 65,907.68

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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.