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Finding the Fourth Proportional to 126,912.02, 175,092.26 and 75,926.22

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Solution

The fourth proportional to 126,912.02, 175,092.26 and 75,926.22 is: 104,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,912.02 : 175,092.26 = 75,926.22 : x
  2. Step 2: Convert to fraction form
    126,912.02/175,092.26 = 75,926.22/x
  3. Step 3: Cross multiply
    126,912.02x = 175,092.26 × 75,926.22
  4. Step 4: Simplify right side
    126,912.02x = 13,294,093,453.06
  5. Step 5: Solve for x
    x = 13,294,093,453.06/126,912.02
  6. Step 6: Final answer
    x = 104,750.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.