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Finding the Fourth Proportional to 273,091.88, 376,712.43 and 170,940.02

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Solution

The fourth proportional to 273,091.88, 376,712.43 and 170,940.02 is: 235,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,091.88 : 376,712.43 = 170,940.02 : x
  2. Step 2: Convert to fraction form
    273,091.88/376,712.43 = 170,940.02/x
  3. Step 3: Cross multiply
    273,091.88x = 376,712.43 × 170,940.02
  4. Step 4: Simplify right side
    273,091.88x = 64,395,228,434.89
  5. Step 5: Solve for x
    x = 64,395,228,434.89/273,091.88
  6. Step 6: Final answer
    x = 235,800.60

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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.