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Finding the Fourth Proportional to 200,610.96, 300,915.84 and 50,850.84

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Solution

The fourth proportional to 200,610.96, 300,915.84 and 50,850.84 is: 76,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,610.96 : 300,915.84 = 50,850.84 : x
  2. Step 2: Convert to fraction form
    200,610.96/300,915.84 = 50,850.84/x
  3. Step 3: Cross multiply
    200,610.96x = 300,915.84 × 50,850.84
  4. Step 4: Simplify right side
    200,610.96x = 15,301,823,233.31
  5. Step 5: Solve for x
    x = 15,301,823,233.31/200,610.96
  6. Step 6: Final answer
    x = 76,276.11

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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.