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Finding the Fourth Proportional to 76,201.44, 105,112.16 and 50,360.16

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Solution

The fourth proportional to 76,201.44, 105,112.16 and 50,360.16 is: 69,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,201.44 : 105,112.16 = 50,360.16 : x
  2. Step 2: Convert to fraction form
    76,201.44/105,112.16 = 50,360.16/x
  3. Step 3: Cross multiply
    76,201.44x = 105,112.16 × 50,360.16
  4. Step 4: Simplify right side
    76,201.44x = 5,293,465,195.55
  5. Step 5: Solve for x
    x = 5,293,465,195.55/76,201.44
  6. Step 6: Final answer
    x = 69,466.73

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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.