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Finding the Fourth Proportional to 248,696.16, 372,966.48 and 108,313.44

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Solution

The fourth proportional to 248,696.16, 372,966.48 and 108,313.44 is: 162,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,696.16 : 372,966.48 = 108,313.44 : x
  2. Step 2: Convert to fraction form
    248,696.16/372,966.48 = 108,313.44/x
  3. Step 3: Cross multiply
    248,696.16x = 372,966.48 × 108,313.44
  4. Step 4: Simplify right side
    248,696.16x = 40,397,282,453.49
  5. Step 5: Solve for x
    x = 40,397,282,453.49/248,696.16
  6. Step 6: Final answer
    x = 162,436.29

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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.