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Finding the Fourth Proportional to 188,908.80, 260,692.99 and 104,025.25

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Solution

The fourth proportional to 188,908.80, 260,692.99 and 104,025.25 is: 143,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,908.80 : 260,692.99 = 104,025.25 : x
  2. Step 2: Convert to fraction form
    188,908.80/260,692.99 = 104,025.25/x
  3. Step 3: Cross multiply
    188,908.80x = 260,692.99 × 104,025.25
  4. Step 4: Simplify right side
    188,908.80x = 27,118,653,458.00
  5. Step 5: Solve for x
    x = 27,118,653,458.00/188,908.80
  6. Step 6: Final answer
    x = 143,554.21

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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.