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Finding the Fourth Proportional to 308,035.02, 425,078.48 and 178,984.27

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Solution

The fourth proportional to 308,035.02, 425,078.48 and 178,984.27 is: 246,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,035.02 : 425,078.48 = 178,984.27 : x
  2. Step 2: Convert to fraction form
    308,035.02/425,078.48 = 178,984.27/x
  3. Step 3: Cross multiply
    308,035.02x = 425,078.48 × 178,984.27
  4. Step 4: Simplify right side
    308,035.02x = 76,082,361,435.51
  5. Step 5: Solve for x
    x = 76,082,361,435.51/308,035.02
  6. Step 6: Final answer
    x = 246,992.57

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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.