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Finding the Fourth Proportional to 188,674.84, 260,378.58 and 103,795.48

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Solution

The fourth proportional to 188,674.84, 260,378.58 and 103,795.48 is: 143,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,674.84 : 260,378.58 = 103,795.48 : x
  2. Step 2: Convert to fraction form
    188,674.84/260,378.58 = 103,795.48/x
  3. Step 3: Cross multiply
    188,674.84x = 260,378.58 × 103,795.48
  4. Step 4: Simplify right side
    188,674.84x = 27,026,119,692.82
  5. Step 5: Solve for x
    x = 27,026,119,692.82/188,674.84
  6. Step 6: Final answer
    x = 143,241.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.