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Finding the Fourth Proportional to 238,509.58, 328,796.49 and 166,666.54

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Solution

The fourth proportional to 238,509.58, 328,796.49 and 166,666.54 is: 229,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,509.58 : 328,796.49 = 166,666.54 : x
  2. Step 2: Convert to fraction form
    238,509.58/328,796.49 = 166,666.54/x
  3. Step 3: Cross multiply
    238,509.58x = 328,796.49 × 166,666.54
  4. Step 4: Simplify right side
    238,509.58x = 54,799,373,352.44
  5. Step 5: Solve for x
    x = 54,799,373,352.44/238,509.58
  6. Step 6: Final answer
    x = 229,757.54

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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.