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Finding the Fourth Proportional to 181,736.88, 272,648.43 and 57,077.88

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Solution

The fourth proportional to 181,736.88, 272,648.43 and 57,077.88 is: 85,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,736.88 : 272,648.43 = 57,077.88 : x
  2. Step 2: Convert to fraction form
    181,736.88/272,648.43 = 57,077.88/x
  3. Step 3: Cross multiply
    181,736.88x = 272,648.43 × 57,077.88
  4. Step 4: Simplify right side
    181,736.88x = 15,562,194,369.73
  5. Step 5: Solve for x
    x = 15,562,194,369.73/181,736.88
  6. Step 6: Final answer
    x = 85,630.36

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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.