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Finding the Fourth Proportional to 188,906.63, 260,692.97 and 104,025.51

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Solution

The fourth proportional to 188,906.63, 260,692.97 and 104,025.51 is: 143,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,906.63 : 260,692.97 = 104,025.51 : x
  2. Step 2: Convert to fraction form
    188,906.63/260,692.97 = 104,025.51/x
  3. Step 3: Cross multiply
    188,906.63x = 260,692.97 × 104,025.51
  4. Step 4: Simplify right side
    188,906.63x = 27,118,718,637.54
  5. Step 5: Solve for x
    x = 27,118,718,637.54/188,906.63
  6. Step 6: Final answer
    x = 143,556.21

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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.