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Finding the Fourth Proportional to 60,771.70, 91,157.55 and 50,930.20

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Solution

The fourth proportional to 60,771.70, 91,157.55 and 50,930.20 is: 76,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,771.70 : 91,157.55 = 50,930.20 : x
  2. Step 2: Convert to fraction form
    60,771.70/91,157.55 = 50,930.20/x
  3. Step 3: Cross multiply
    60,771.70x = 91,157.55 × 50,930.20
  4. Step 4: Simplify right side
    60,771.70x = 4,642,672,253.01
  5. Step 5: Solve for x
    x = 4,642,672,253.01/60,771.70
  6. Step 6: Final answer
    x = 76,395.30

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1.5x scale

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.