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Finding the Fourth Proportional to 179,892.97, 248,240.81 and 103,393.84

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Solution

The fourth proportional to 179,892.97, 248,240.81 and 103,393.84 is: 142,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,892.97 : 248,240.81 = 103,393.84 : x
  2. Step 2: Convert to fraction form
    179,892.97/248,240.81 = 103,393.84/x
  3. Step 3: Cross multiply
    179,892.97x = 248,240.81 × 103,393.84
  4. Step 4: Simplify right side
    179,892.97x = 25,666,570,228.49
  5. Step 5: Solve for x
    x = 25,666,570,228.49/179,892.97
  6. Step 6: Final answer
    x = 142,676.89

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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.