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Finding the Fourth Proportional to 248,360.16, 343,137.84 and 173,244

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Solution

The fourth proportional to 248,360.16, 343,137.84 and 173,244 is: 239,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,360.16 : 343,137.84 = 173,244 : x
  2. Step 2: Convert to fraction form
    248,360.16/343,137.84 = 173,244/x
  3. Step 3: Cross multiply
    248,360.16x = 343,137.84 × 173,244
  4. Step 4: Simplify right side
    248,360.16x = 59,446,571,952.96
  5. Step 5: Solve for x
    x = 59,446,571,952.96/248,360.16
  6. Step 6: Final answer
    x = 239,356.31

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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.