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Finding the Fourth Proportional to 178,806.51, 267,825.83 and 168,338.07

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Solution

The fourth proportional to 178,806.51, 267,825.83 and 168,338.07 is: 252,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,806.51 : 267,825.83 = 168,338.07 : x
  2. Step 2: Convert to fraction form
    178,806.51/267,825.83 = 168,338.07/x
  3. Step 3: Cross multiply
    178,806.51x = 267,825.83 × 168,338.07
  4. Step 4: Simplify right side
    178,806.51x = 45,085,282,476.66
  5. Step 5: Solve for x
    x = 45,085,282,476.66/178,806.51
  6. Step 6: Final answer
    x = 252,145.64

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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.