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Finding the Fourth Proportional to 70,600.75, 105,878.68 and 23,204.90

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Solution

The fourth proportional to 70,600.75, 105,878.68 and 23,204.90 is: 34,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,600.75 : 105,878.68 = 23,204.90 : x
  2. Step 2: Convert to fraction form
    70,600.75/105,878.68 = 23,204.90/x
  3. Step 3: Cross multiply
    70,600.75x = 105,878.68 × 23,204.90
  4. Step 4: Simplify right side
    70,600.75x = 2,456,904,181.53
  5. Step 5: Solve for x
    x = 2,456,904,181.53/70,600.75
  6. Step 6: Final answer
    x = 34,799.97

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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.