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Finding the Fourth Proportional to 308,006.94, 425,029.59 and 178,933.98

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Solution

The fourth proportional to 308,006.94, 425,029.59 and 178,933.98 is: 246,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,006.94 : 425,029.59 = 178,933.98 : x
  2. Step 2: Convert to fraction form
    308,006.94/425,029.59 = 178,933.98/x
  3. Step 3: Cross multiply
    308,006.94x = 425,029.59 × 178,933.98
  4. Step 4: Simplify right side
    308,006.94x = 76,052,236,156.47
  5. Step 5: Solve for x
    x = 76,052,236,156.47/308,006.94
  6. Step 6: Final answer
    x = 246,917.28

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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.