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Finding the Fourth Proportional to 171,474.84, 236,750.84 and 107,042.20

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Solution

The fourth proportional to 171,474.84, 236,750.84 and 107,042.20 is: 147,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,474.84 : 236,750.84 = 107,042.20 : x
  2. Step 2: Convert to fraction form
    171,474.84/236,750.84 = 107,042.20/x
  3. Step 3: Cross multiply
    171,474.84x = 236,750.84 × 107,042.20
  4. Step 4: Simplify right side
    171,474.84x = 25,342,330,765.45
  5. Step 5: Solve for x
    x = 25,342,330,765.45/171,474.84
  6. Step 6: Final answer
    x = 147,790.37

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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.