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Finding the Fourth Proportional to 153,999.33, 230,998.99 and 100,736.09

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Solution

The fourth proportional to 153,999.33, 230,998.99 and 100,736.09 is: 151,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,999.33 : 230,998.99 = 100,736.09 : x
  2. Step 2: Convert to fraction form
    153,999.33/230,998.99 = 100,736.09/x
  3. Step 3: Cross multiply
    153,999.33x = 230,998.99 × 100,736.09
  4. Step 4: Simplify right side
    153,999.33x = 23,269,934,694.84
  5. Step 5: Solve for x
    x = 23,269,934,694.84/153,999.33
  6. Step 6: Final answer
    x = 151,104.13

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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.