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Finding the Fourth Proportional to 323,147.34, 484,942.41 and 112,785.28

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Solution

The fourth proportional to 323,147.34, 484,942.41 and 112,785.28 is: 169,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,147.34 : 484,942.41 = 112,785.28 : x
  2. Step 2: Convert to fraction form
    323,147.34/484,942.41 = 112,785.28/x
  3. Step 3: Cross multiply
    323,147.34x = 484,942.41 × 112,785.28
  4. Step 4: Simplify right side
    323,147.34x = 54,694,364,283.37
  5. Step 5: Solve for x
    x = 54,694,364,283.37/323,147.34
  6. Step 6: Final answer
    x = 169,255.19

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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.