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Finding the Fourth Proportional to 91,200.88, 125,862.26 and 50,914.97

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Solution

The fourth proportional to 91,200.88, 125,862.26 and 50,914.97 is: 70,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,200.88 : 125,862.26 = 50,914.97 : x
  2. Step 2: Convert to fraction form
    91,200.88/125,862.26 = 50,914.97/x
  3. Step 3: Cross multiply
    91,200.88x = 125,862.26 × 50,914.97
  4. Step 4: Simplify right side
    91,200.88x = 6,408,272,308.15
  5. Step 5: Solve for x
    x = 6,408,272,308.15/91,200.88
  6. Step 6: Final answer
    x = 70,265.47

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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.