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Finding the Fourth Proportional to 247,907.97, 371,795.54 and 107,633.25

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Solution

The fourth proportional to 247,907.97, 371,795.54 and 107,633.25 is: 161,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,907.97 : 371,795.54 = 107,633.25 : x
  2. Step 2: Convert to fraction form
    247,907.97/371,795.54 = 107,633.25/x
  3. Step 3: Cross multiply
    247,907.97x = 371,795.54 × 107,633.25
  4. Step 4: Simplify right side
    247,907.97x = 40,017,561,767.54
  5. Step 5: Solve for x
    x = 40,017,561,767.54/247,907.97
  6. Step 6: Final answer
    x = 161,421.04

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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.