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Finding the Fourth Proportional to 325,107.69, 448,665.53 and 181,870.13

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Solution

The fourth proportional to 325,107.69, 448,665.53 and 181,870.13 is: 250,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,107.69 : 448,665.53 = 181,870.13 : x
  2. Step 2: Convert to fraction form
    325,107.69/448,665.53 = 181,870.13/x
  3. Step 3: Cross multiply
    325,107.69x = 448,665.53 × 181,870.13
  4. Step 4: Simplify right side
    325,107.69x = 81,598,855,114.94
  5. Step 5: Solve for x
    x = 81,598,855,114.94/325,107.69
  6. Step 6: Final answer
    x = 250,990.23

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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.