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Finding the Fourth Proportional to 91,683.63, 126,517.04 and 50,849.91

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Solution

The fourth proportional to 91,683.63, 126,517.04 and 50,849.91 is: 70,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,683.63 : 126,517.04 = 50,849.91 : x
  2. Step 2: Convert to fraction form
    91,683.63/126,517.04 = 50,849.91/x
  3. Step 3: Cross multiply
    91,683.63x = 126,517.04 × 50,849.91
  4. Step 4: Simplify right side
    91,683.63x = 6,433,379,843.22
  5. Step 5: Solve for x
    x = 6,433,379,843.22/91,683.63
  6. Step 6: Final answer
    x = 70,169.34

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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.