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Finding the Fourth Proportional to 301,187.69, 451,179.16 and 181,178.50

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Solution

The fourth proportional to 301,187.69, 451,179.16 and 181,178.50 is: 271,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,187.69 : 451,179.16 = 181,178.50 : x
  2. Step 2: Convert to fraction form
    301,187.69/451,179.16 = 181,178.50/x
  3. Step 3: Cross multiply
    301,187.69x = 451,179.16 × 181,178.50
  4. Step 4: Simplify right side
    301,187.69x = 81,743,963,440.06
  5. Step 5: Solve for x
    x = 81,743,963,440.06/301,187.69
  6. Step 6: Final answer
    x = 271,405.39

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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.