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Finding the Fourth Proportional to 103,825.56, 155,712.42 and 33,724.92

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Solution

The fourth proportional to 103,825.56, 155,712.42 and 33,724.92 is: 50,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,825.56 : 155,712.42 = 33,724.92 : x
  2. Step 2: Convert to fraction form
    103,825.56/155,712.42 = 33,724.92/x
  3. Step 3: Cross multiply
    103,825.56x = 155,712.42 × 33,724.92
  4. Step 4: Simplify right side
    103,825.56x = 5,251,388,907.51
  5. Step 5: Solve for x
    x = 5,251,388,907.51/103,825.56
  6. Step 6: Final answer
    x = 50,578.96

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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.