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Finding the Fourth Proportional to 308,872.98, 463,609.08 and 149,061.39

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Solution

The fourth proportional to 308,872.98, 463,609.08 and 149,061.39 is: 223,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,872.98 : 463,609.08 = 149,061.39 : x
  2. Step 2: Convert to fraction form
    308,872.98/463,609.08 = 149,061.39/x
  3. Step 3: Cross multiply
    308,872.98x = 463,609.08 × 149,061.39
  4. Step 4: Simplify right side
    308,872.98x = 69,106,215,060.98
  5. Step 5: Solve for x
    x = 69,106,215,060.98/308,872.98
  6. Step 6: Final answer
    x = 223,736.68

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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.