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Finding the Fourth Proportional to 179,357.75, 268,719.40 and 168,689.75

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Solution

The fourth proportional to 179,357.75, 268,719.40 and 168,689.75 is: 252,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,357.75 : 268,719.40 = 168,689.75 : x
  2. Step 2: Convert to fraction form
    179,357.75/268,719.40 = 168,689.75/x
  3. Step 3: Cross multiply
    179,357.75x = 268,719.40 × 168,689.75
  4. Step 4: Simplify right side
    179,357.75x = 45,330,208,406.15
  5. Step 5: Solve for x
    x = 45,330,208,406.15/179,357.75
  6. Step 6: Final answer
    x = 252,736.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.