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Finding the Fourth Proportional to 201,096.90, 301,645.35 and 82,728.90

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Solution

The fourth proportional to 201,096.90, 301,645.35 and 82,728.90 is: 124,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,096.90 : 301,645.35 = 82,728.90 : x
  2. Step 2: Convert to fraction form
    201,096.90/301,645.35 = 82,728.90/x
  3. Step 3: Cross multiply
    201,096.90x = 301,645.35 × 82,728.90
  4. Step 4: Simplify right side
    201,096.90x = 24,954,787,995.62
  5. Step 5: Solve for x
    x = 24,954,787,995.62/201,096.90
  6. Step 6: Final answer
    x = 124,093.35

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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.