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Finding the Fourth Proportional to 350,086.88, 525,240.48 and 125,294.06

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Solution

The fourth proportional to 350,086.88, 525,240.48 and 125,294.06 is: 187,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,086.88 : 525,240.48 = 125,294.06 : x
  2. Step 2: Convert to fraction form
    350,086.88/525,240.48 = 125,294.06/x
  3. Step 3: Cross multiply
    350,086.88x = 525,240.48 × 125,294.06
  4. Step 4: Simplify right side
    350,086.88x = 65,809,512,215.55
  5. Step 5: Solve for x
    x = 65,809,512,215.55/350,086.88
  6. Step 6: Final answer
    x = 187,980.52

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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.