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Finding the Fourth Proportional to 201,362.68, 301,855.38 and 68,149.72

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Solution

The fourth proportional to 201,362.68, 301,855.38 and 68,149.72 is: 102,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,362.68 : 301,855.38 = 68,149.72 : x
  2. Step 2: Convert to fraction form
    201,362.68/301,855.38 = 68,149.72/x
  3. Step 3: Cross multiply
    201,362.68x = 301,855.38 × 68,149.72
  4. Step 4: Simplify right side
    201,362.68x = 20,571,359,627.49
  5. Step 5: Solve for x
    x = 20,571,359,627.49/201,362.68
  6. Step 6: Final answer
    x = 102,160.74

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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.