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Finding the Fourth Proportional to 100,606.05, 150,815.25 and 33,999.60

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Solution

The fourth proportional to 100,606.05, 150,815.25 and 33,999.60 is: 50,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,606.05 : 150,815.25 = 33,999.60 : x
  2. Step 2: Convert to fraction form
    100,606.05/150,815.25 = 33,999.60/x
  3. Step 3: Cross multiply
    100,606.05x = 150,815.25 × 33,999.60
  4. Step 4: Simplify right side
    100,606.05x = 5,127,658,173.90
  5. Step 5: Solve for x
    x = 5,127,658,173.90/100,606.05
  6. Step 6: Final answer
    x = 50,967.69

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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.