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Finding the Fourth Proportional to 188,958.44, 260,774.46 and 104,075.48

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Solution

The fourth proportional to 188,958.44, 260,774.46 and 104,075.48 is: 143,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,958.44 : 260,774.46 = 104,075.48 : x
  2. Step 2: Convert to fraction form
    188,958.44/260,774.46 = 104,075.48/x
  3. Step 3: Cross multiply
    188,958.44x = 260,774.46 × 104,075.48
  4. Step 4: Simplify right side
    188,958.44x = 27,140,227,096.24
  5. Step 5: Solve for x
    x = 27,140,227,096.24/188,958.44
  6. Step 6: Final answer
    x = 143,630.67

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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.