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Finding the Fourth Proportional to 181,139.52, 271,721.76 and 75,852.48

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Solution

The fourth proportional to 181,139.52, 271,721.76 and 75,852.48 is: 113,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,139.52 : 271,721.76 = 75,852.48 : x
  2. Step 2: Convert to fraction form
    181,139.52/271,721.76 = 75,852.48/x
  3. Step 3: Cross multiply
    181,139.52x = 271,721.76 × 75,852.48
  4. Step 4: Simplify right side
    181,139.52x = 20,610,769,365.96
  5. Step 5: Solve for x
    x = 20,610,769,365.96/181,139.52
  6. Step 6: Final answer
    x = 113,783.95

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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.