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Finding the Fourth Proportional to 308,076.03, 425,146.22 and 168,377.45

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Solution

The fourth proportional to 308,076.03, 425,146.22 and 168,377.45 is: 232,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,076.03 : 425,146.22 = 168,377.45 : x
  2. Step 2: Convert to fraction form
    308,076.03/425,146.22 = 168,377.45/x
  3. Step 3: Cross multiply
    308,076.03x = 425,146.22 × 168,377.45
  4. Step 4: Simplify right side
    308,076.03x = 71,585,036,400.74
  5. Step 5: Solve for x
    x = 71,585,036,400.74/308,076.03
  6. Step 6: Final answer
    x = 232,361.59

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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.