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Finding the Fourth Proportional to 273,090.88, 376,711.05 and 170,939.02

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Solution

The fourth proportional to 273,090.88, 376,711.05 and 170,939.02 is: 235,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,090.88 : 376,711.05 = 170,939.02 : x
  2. Step 2: Convert to fraction form
    273,090.88/376,711.05 = 170,939.02/x
  3. Step 3: Cross multiply
    273,090.88x = 376,711.05 × 170,939.02
  4. Step 4: Simplify right side
    273,090.88x = 64,394,617,710.17
  5. Step 5: Solve for x
    x = 64,394,617,710.17/273,090.88
  6. Step 6: Final answer
    x = 235,799.22

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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.