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Finding the Fourth Proportional to 188,100.54, 259,578.72 and 107,529.75

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Solution

The fourth proportional to 188,100.54, 259,578.72 and 107,529.75 is: 148,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,100.54 : 259,578.72 = 107,529.75 : x
  2. Step 2: Convert to fraction form
    188,100.54/259,578.72 = 107,529.75/x
  3. Step 3: Cross multiply
    188,100.54x = 259,578.72 × 107,529.75
  4. Step 4: Simplify right side
    188,100.54x = 27,912,434,866.92
  5. Step 5: Solve for x
    x = 27,912,434,866.92/188,100.54
  6. Step 6: Final answer
    x = 148,391.04

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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.