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Finding the Fourth Proportional to 201,286.60, 301,966.35 and 101,194.90

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Solution

The fourth proportional to 201,286.60, 301,966.35 and 101,194.90 is: 151,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,286.60 : 301,966.35 = 101,194.90 : x
  2. Step 2: Convert to fraction form
    201,286.60/301,966.35 = 101,194.90/x
  3. Step 3: Cross multiply
    201,286.60x = 301,966.35 × 101,194.90
  4. Step 4: Simplify right side
    201,286.60x = 30,557,454,591.62
  5. Step 5: Solve for x
    x = 30,557,454,591.62/201,286.60
  6. Step 6: Final answer
    x = 151,810.67

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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.