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Finding the Fourth Proportional to 323,183.88, 484,557.12 and 112,707

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Solution

The fourth proportional to 323,183.88, 484,557.12 and 112,707 is: 168,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,183.88 : 484,557.12 = 112,707 : x
  2. Step 2: Convert to fraction form
    323,183.88/484,557.12 = 112,707/x
  3. Step 3: Cross multiply
    323,183.88x = 484,557.12 × 112,707
  4. Step 4: Simplify right side
    323,183.88x = 54,612,979,323.84
  5. Step 5: Solve for x
    x = 54,612,979,323.84/323,183.88
  6. Step 6: Final answer
    x = 168,984.23

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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.