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Finding the Fourth Proportional to 351,474.44, 527,102.63 and 126,805.67

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Solution

The fourth proportional to 351,474.44, 527,102.63 and 126,805.67 is: 190,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,474.44 : 527,102.63 = 126,805.67 : x
  2. Step 2: Convert to fraction form
    351,474.44/527,102.63 = 126,805.67/x
  3. Step 3: Cross multiply
    351,474.44x = 527,102.63 × 126,805.67
  4. Step 4: Simplify right side
    351,474.44x = 66,839,598,886.37
  5. Step 5: Solve for x
    x = 66,839,598,886.37/351,474.44
  6. Step 6: Final answer
    x = 190,169.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.