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Finding the Fourth Proportional to 188,952.09, 260,741.92 and 104,069.15

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Solution

The fourth proportional to 188,952.09, 260,741.92 and 104,069.15 is: 143,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,952.09 : 260,741.92 = 104,069.15 : x
  2. Step 2: Convert to fraction form
    188,952.09/260,741.92 = 104,069.15/x
  3. Step 3: Cross multiply
    188,952.09x = 260,741.92 × 104,069.15
  4. Step 4: Simplify right side
    188,952.09x = 27,135,189,983.77
  5. Step 5: Solve for x
    x = 27,135,189,983.77/188,952.09
  6. Step 6: Final answer
    x = 143,608.84

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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.