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Finding the Fourth Proportional to 91,846.56, 126,739.58 and 51,552.45

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Solution

The fourth proportional to 91,846.56, 126,739.58 and 51,552.45 is: 71,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,846.56 : 126,739.58 = 51,552.45 : x
  2. Step 2: Convert to fraction form
    91,846.56/126,739.58 = 51,552.45/x
  3. Step 3: Cross multiply
    91,846.56x = 126,739.58 × 51,552.45
  4. Step 4: Simplify right side
    91,846.56x = 6,533,735,860.97
  5. Step 5: Solve for x
    x = 6,533,735,860.97/91,846.56
  6. Step 6: Final answer
    x = 71,137.51

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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.