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Finding the Fourth Proportional to 350,045.80, 525,198.30 and 113,396.20

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Solution

The fourth proportional to 350,045.80, 525,198.30 and 113,396.20 is: 170,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,045.80 : 525,198.30 = 113,396.20 : x
  2. Step 2: Convert to fraction form
    350,045.80/525,198.30 = 113,396.20/x
  3. Step 3: Cross multiply
    350,045.80x = 525,198.30 × 113,396.20
  4. Step 4: Simplify right side
    350,045.80x = 59,555,491,466.46
  5. Step 5: Solve for x
    x = 59,555,491,466.46/350,045.80
  6. Step 6: Final answer
    x = 170,136.28

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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.