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Finding the Fourth Proportional to 150,403.44, 207,553.42 and 82,418.93

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Solution

The fourth proportional to 150,403.44, 207,553.42 and 82,418.93 is: 113,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,403.44 : 207,553.42 = 82,418.93 : x
  2. Step 2: Convert to fraction form
    150,403.44/207,553.42 = 82,418.93/x
  3. Step 3: Cross multiply
    150,403.44x = 207,553.42 × 82,418.93
  4. Step 4: Simplify right side
    150,403.44x = 17,106,330,637.82
  5. Step 5: Solve for x
    x = 17,106,330,637.82/150,403.44
  6. Step 6: Final answer
    x = 113,736.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.