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Finding the Fourth Proportional to 295,087.23, 407,208.42 and 166,028.31

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Solution

The fourth proportional to 295,087.23, 407,208.42 and 166,028.31 is: 229,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,087.23 : 407,208.42 = 166,028.31 : x
  2. Step 2: Convert to fraction form
    295,087.23/407,208.42 = 166,028.31/x
  3. Step 3: Cross multiply
    295,087.23x = 407,208.42 × 166,028.31
  4. Step 4: Simplify right side
    295,087.23x = 67,608,125,790.37
  5. Step 5: Solve for x
    x = 67,608,125,790.37/295,087.23
  6. Step 6: Final answer
    x = 229,112.34

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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.