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Finding the Fourth Proportional to 76,627.70, 114,941.55 and 41,198.30

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Solution

The fourth proportional to 76,627.70, 114,941.55 and 41,198.30 is: 61,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,627.70 : 114,941.55 = 41,198.30 : x
  2. Step 2: Convert to fraction form
    76,627.70/114,941.55 = 41,198.30/x
  3. Step 3: Cross multiply
    76,627.70x = 114,941.55 × 41,198.30
  4. Step 4: Simplify right side
    76,627.70x = 4,735,396,459.37
  5. Step 5: Solve for x
    x = 4,735,396,459.37/76,627.70
  6. Step 6: Final answer
    x = 61,797.45

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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.