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Finding the Fourth Proportional to 300,169.47, 450,030.65 and 181,812.27

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Solution

The fourth proportional to 300,169.47, 450,030.65 and 181,812.27 is: 272,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,169.47 : 450,030.65 = 181,812.27 : x
  2. Step 2: Convert to fraction form
    300,169.47/450,030.65 = 181,812.27/x
  3. Step 3: Cross multiply
    300,169.47x = 450,030.65 × 181,812.27
  4. Step 4: Simplify right side
    300,169.47x = 81,821,093,137.01
  5. Step 5: Solve for x
    x = 81,821,093,137.01/300,169.47
  6. Step 6: Final answer
    x = 272,582.99

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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.