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Finding the Fourth Proportional to 350,093.20, 525,204.60 and 113,443.60

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Solution

The fourth proportional to 350,093.20, 525,204.60 and 113,443.60 is: 170,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,093.20 : 525,204.60 = 113,443.60 : x
  2. Step 2: Convert to fraction form
    350,093.20/525,204.60 = 113,443.60/x
  3. Step 3: Cross multiply
    350,093.20x = 525,204.60 × 113,443.60
  4. Step 4: Simplify right side
    350,093.20x = 59,581,100,560.56
  5. Step 5: Solve for x
    x = 59,581,100,560.56/350,093.20
  6. Step 6: Final answer
    x = 170,186.40

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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.