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Finding the Fourth Proportional to 84,889.46, 117,149.57 and 46,651.55

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Solution

The fourth proportional to 84,889.46, 117,149.57 and 46,651.55 is: 64,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889.46 : 117,149.57 = 46,651.55 : x
  2. Step 2: Convert to fraction form
    84,889.46/117,149.57 = 46,651.55/x
  3. Step 3: Cross multiply
    84,889.46x = 117,149.57 × 46,651.55
  4. Step 4: Simplify right side
    84,889.46x = 5,465,209,022.33
  5. Step 5: Solve for x
    x = 5,465,209,022.33/84,889.46
  6. Step 6: Final answer
    x = 64,380.30

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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.