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Finding the Fourth Proportional to 248,745.75, 343,278.41 and 141,333.98

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Solution

The fourth proportional to 248,745.75, 343,278.41 and 141,333.98 is: 195,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,745.75 : 343,278.41 = 141,333.98 : x
  2. Step 2: Convert to fraction form
    248,745.75/343,278.41 = 141,333.98/x
  3. Step 3: Cross multiply
    248,745.75x = 343,278.41 × 141,333.98
  4. Step 4: Simplify right side
    248,745.75x = 48,516,901,510.31
  5. Step 5: Solve for x
    x = 48,516,901,510.31/248,745.75
  6. Step 6: Final answer
    x = 195,046.15

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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.