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Finding the Fourth Proportional to 85,771.68, 118,369.48 and 47,535.41

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Solution

The fourth proportional to 85,771.68, 118,369.48 and 47,535.41 is: 65,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,771.68 : 118,369.48 = 47,535.41 : x
  2. Step 2: Convert to fraction form
    85,771.68/118,369.48 = 47,535.41/x
  3. Step 3: Cross multiply
    85,771.68x = 118,369.48 × 47,535.41
  4. Step 4: Simplify right side
    85,771.68x = 5,626,741,229.98
  5. Step 5: Solve for x
    x = 5,626,741,229.98/85,771.68
  6. Step 6: Final answer
    x = 65,601.38

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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.