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Finding the Fourth Proportional to 350,871.21, 526,226.22 and 98,169.44

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Solution

The fourth proportional to 350,871.21, 526,226.22 and 98,169.44 is: 147,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,871.21 : 526,226.22 = 98,169.44 : x
  2. Step 2: Convert to fraction form
    350,871.21/526,226.22 = 98,169.44/x
  3. Step 3: Cross multiply
    350,871.21x = 526,226.22 × 98,169.44
  4. Step 4: Simplify right side
    350,871.21x = 51,659,330,699.59
  5. Step 5: Solve for x
    x = 51,659,330,699.59/350,871.21
  6. Step 6: Final answer
    x = 147,231.60

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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.