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Finding the Fourth Proportional to 350,074.80, 525,241.80 and 113,425.20

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Solution

The fourth proportional to 350,074.80, 525,241.80 and 113,425.20 is: 170,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,074.80 : 525,241.80 = 113,425.20 : x
  2. Step 2: Convert to fraction form
    350,074.80/525,241.80 = 113,425.20/x
  3. Step 3: Cross multiply
    350,074.80x = 525,241.80 × 113,425.20
  4. Step 4: Simplify right side
    350,074.80x = 59,575,656,213.36
  5. Step 5: Solve for x
    x = 59,575,656,213.36/350,074.80
  6. Step 6: Final answer
    x = 170,179.79

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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.