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Finding the Fourth Proportional to 183,649.20, 275,443.56 and 171,694.32

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Solution

The fourth proportional to 183,649.20, 275,443.56 and 171,694.32 is: 257,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,649.20 : 275,443.56 = 171,694.32 : x
  2. Step 2: Convert to fraction form
    183,649.20/275,443.56 = 171,694.32/x
  3. Step 3: Cross multiply
    183,649.20x = 275,443.56 × 171,694.32
  4. Step 4: Simplify right side
    183,649.20x = 47,292,094,732.58
  5. Step 5: Solve for x
    x = 47,292,094,732.58/183,649.20
  6. Step 6: Final answer
    x = 257,513.21

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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.