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Finding the Fourth Proportional to 247,276.80, 341,236.80 and 162,388.80

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Solution

The fourth proportional to 247,276.80, 341,236.80 and 162,388.80 is: 224,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,276.80 : 341,236.80 = 162,388.80 : x
  2. Step 2: Convert to fraction form
    247,276.80/341,236.80 = 162,388.80/x
  3. Step 3: Cross multiply
    247,276.80x = 341,236.80 × 162,388.80
  4. Step 4: Simplify right side
    247,276.80x = 55,413,034,467.84
  5. Step 5: Solve for x
    x = 55,413,034,467.84/247,276.80
  6. Step 6: Final answer
    x = 224,093.14

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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.