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Finding the Fourth Proportional to 252,698.78, 379,046.64 and 63,158.20

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Solution

The fourth proportional to 252,698.78, 379,046.64 and 63,158.20 is: 94,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,698.78 : 379,046.64 = 63,158.20 : x
  2. Step 2: Convert to fraction form
    252,698.78/379,046.64 = 63,158.20/x
  3. Step 3: Cross multiply
    252,698.78x = 379,046.64 × 63,158.20
  4. Step 4: Simplify right side
    252,698.78x = 23,939,902,787.67
  5. Step 5: Solve for x
    x = 23,939,902,787.67/252,698.78
  6. Step 6: Final answer
    x = 94,736.91

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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.