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Finding the Fourth Proportional to 201,016.20, 301,524.30 and 51,256.20

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Solution

The fourth proportional to 201,016.20, 301,524.30 and 51,256.20 is: 76,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,016.20 : 301,524.30 = 51,256.20 : x
  2. Step 2: Convert to fraction form
    201,016.20/301,524.30 = 51,256.20/x
  3. Step 3: Cross multiply
    201,016.20x = 301,524.30 × 51,256.20
  4. Step 4: Simplify right side
    201,016.20x = 15,454,989,825.66
  5. Step 5: Solve for x
    x = 15,454,989,825.66/201,016.20
  6. Step 6: Final answer
    x = 76,884.30

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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.