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Finding the Fourth Proportional to 190,144.89, 284,807.33 and 178,965.98

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Solution

The fourth proportional to 190,144.89, 284,807.33 and 178,965.98 is: 268,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,144.89 : 284,807.33 = 178,965.98 : x
  2. Step 2: Convert to fraction form
    190,144.89/284,807.33 = 178,965.98/x
  3. Step 3: Cross multiply
    190,144.89x = 284,807.33 × 178,965.98
  4. Step 4: Simplify right side
    190,144.89x = 50,970,822,924.63
  5. Step 5: Solve for x
    x = 50,970,822,924.63/190,144.89
  6. Step 6: Final answer
    x = 268,063.07

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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.