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Finding the Fourth Proportional to 350,889.10, 526,515.90 and 163,900.60

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Solution

The fourth proportional to 350,889.10, 526,515.90 and 163,900.60 is: 245,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,889.10 : 526,515.90 = 163,900.60 : x
  2. Step 2: Convert to fraction form
    350,889.10/526,515.90 = 163,900.60/x
  3. Step 3: Cross multiply
    350,889.10x = 526,515.90 × 163,900.60
  4. Step 4: Simplify right side
    350,889.10x = 86,296,271,919.54
  5. Step 5: Solve for x
    x = 86,296,271,919.54/350,889.10
  6. Step 6: Final answer
    x = 245,936.03

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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.