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Finding the Fourth Proportional to 247,456.54, 341,644.80 and 170,065.50

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Solution

The fourth proportional to 247,456.54, 341,644.80 and 170,065.50 is: 234,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,456.54 : 341,644.80 = 170,065.50 : x
  2. Step 2: Convert to fraction form
    247,456.54/341,644.80 = 170,065.50/x
  3. Step 3: Cross multiply
    247,456.54x = 341,644.80 × 170,065.50
  4. Step 4: Simplify right side
    247,456.54x = 58,101,993,734.40
  5. Step 5: Solve for x
    x = 58,101,993,734.40/247,456.54
  6. Step 6: Final answer
    x = 234,796.76

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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.