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Finding the Fourth Proportional to 201,166.80, 301,980.60 and 118,107.60

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Solution

The fourth proportional to 201,166.80, 301,980.60 and 118,107.60 is: 177,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,166.80 : 301,980.60 = 118,107.60 : x
  2. Step 2: Convert to fraction form
    201,166.80/301,980.60 = 118,107.60/x
  3. Step 3: Cross multiply
    201,166.80x = 301,980.60 × 118,107.60
  4. Step 4: Simplify right side
    201,166.80x = 35,666,203,912.56
  5. Step 5: Solve for x
    x = 35,666,203,912.56/201,166.80
  6. Step 6: Final answer
    x = 177,296.67

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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.