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Finding the Fourth Proportional to 323,147.07, 484,942.07 and 112,785.01

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Solution

The fourth proportional to 323,147.07, 484,942.07 and 112,785.01 is: 169,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,147.07 : 484,942.07 = 112,785.01 : x
  2. Step 2: Convert to fraction form
    323,147.07/484,942.07 = 112,785.01/x
  3. Step 3: Cross multiply
    323,147.07x = 484,942.07 × 112,785.01
  4. Step 4: Simplify right side
    323,147.07x = 54,694,195,283.98
  5. Step 5: Solve for x
    x = 54,694,195,283.98/323,147.07
  6. Step 6: Final answer
    x = 169,254.81

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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.