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Finding the Fourth Proportional to 170,936.40, 256,404.60 and 168,603.60

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Solution

The fourth proportional to 170,936.40, 256,404.60 and 168,603.60 is: 252,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,936.40 : 256,404.60 = 168,603.60 : x
  2. Step 2: Convert to fraction form
    170,936.40/256,404.60 = 168,603.60/x
  3. Step 3: Cross multiply
    170,936.40x = 256,404.60 × 168,603.60
  4. Step 4: Simplify right side
    170,936.40x = 43,230,738,616.56
  5. Step 5: Solve for x
    x = 43,230,738,616.56/170,936.40
  6. Step 6: Final answer
    x = 252,905.40

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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.