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Finding the Fourth Proportional to 295,144.97, 407,249.20 and 166,065.53

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Solution

The fourth proportional to 295,144.97, 407,249.20 and 166,065.53 is: 229,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,144.97 : 407,249.20 = 166,065.53 : x
  2. Step 2: Convert to fraction form
    295,144.97/407,249.20 = 166,065.53/x
  3. Step 3: Cross multiply
    295,144.97x = 407,249.20 × 166,065.53
  4. Step 4: Simplify right side
    295,144.97x = 67,630,054,240.08
  5. Step 5: Solve for x
    x = 67,630,054,240.08/295,144.97
  6. Step 6: Final answer
    x = 229,141.82

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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.