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Finding the Fourth Proportional to 84,906.80, 117,172.60 and 46,669.88

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Solution

The fourth proportional to 84,906.80, 117,172.60 and 46,669.88 is: 64,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.80 : 117,172.60 = 46,669.88 : x
  2. Step 2: Convert to fraction form
    84,906.80/117,172.60 = 46,669.88/x
  3. Step 3: Cross multiply
    84,906.80x = 117,172.60 × 46,669.88
  4. Step 4: Simplify right side
    84,906.80x = 5,468,431,357.54
  5. Step 5: Solve for x
    x = 5,468,431,357.54/84,906.80
  6. Step 6: Final answer
    x = 64,405.11

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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.