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Finding the Fourth Proportional to 201,135.02, 301,735.20 and 68,023.40

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Solution

The fourth proportional to 201,135.02, 301,735.20 and 68,023.40 is: 102,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,135.02 : 301,735.20 = 68,023.40 : x
  2. Step 2: Convert to fraction form
    201,135.02/301,735.20 = 68,023.40/x
  3. Step 3: Cross multiply
    201,135.02x = 301,735.20 × 68,023.40
  4. Step 4: Simplify right side
    201,135.02x = 20,525,054,203.68
  5. Step 5: Solve for x
    x = 20,525,054,203.68/201,135.02
  6. Step 6: Final answer
    x = 102,046.15

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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.