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Finding the Fourth Proportional to 181,838.36, 272,800.44 and 57,179.36

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Solution

The fourth proportional to 181,838.36, 272,800.44 and 57,179.36 is: 85,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,838.36 : 272,800.44 = 57,179.36 : x
  2. Step 2: Convert to fraction form
    181,838.36/272,800.44 = 57,179.36/x
  3. Step 3: Cross multiply
    181,838.36x = 272,800.44 × 57,179.36
  4. Step 4: Simplify right side
    181,838.36x = 15,598,554,566.92
  5. Step 5: Solve for x
    x = 15,598,554,566.92/181,838.36
  6. Step 6: Final answer
    x = 85,782.53

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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.