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Finding the Fourth Proportional to 350,241.90, 525,203.01 and 125,515.50

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Solution

The fourth proportional to 350,241.90, 525,203.01 and 125,515.50 is: 188,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,241.90 : 525,203.01 = 125,515.50 : x
  2. Step 2: Convert to fraction form
    350,241.90/525,203.01 = 125,515.50/x
  3. Step 3: Cross multiply
    350,241.90x = 525,203.01 × 125,515.50
  4. Step 4: Simplify right side
    350,241.90x = 65,921,118,401.66
  5. Step 5: Solve for x
    x = 65,921,118,401.66/350,241.90
  6. Step 6: Final answer
    x = 188,215.97

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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.