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Finding the Fourth Proportional to 300,036.51, 414,050.49 and 170,971.29

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Solution

The fourth proportional to 300,036.51, 414,050.49 and 170,971.29 is: 235,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,036.51 : 414,050.49 = 170,971.29 : x
  2. Step 2: Convert to fraction form
    300,036.51/414,050.49 = 170,971.29/x
  3. Step 3: Cross multiply
    300,036.51x = 414,050.49 × 170,971.29
  4. Step 4: Simplify right side
    300,036.51x = 70,790,746,400.43
  5. Step 5: Solve for x
    x = 70,790,746,400.43/300,036.51
  6. Step 6: Final answer
    x = 235,940.44

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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.