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Finding the Fourth Proportional to 181,930.56, 272,800.80 and 57,238.08

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Solution

The fourth proportional to 181,930.56, 272,800.80 and 57,238.08 is: 85,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,930.56 : 272,800.80 = 57,238.08 : x
  2. Step 2: Convert to fraction form
    181,930.56/272,800.80 = 57,238.08/x
  3. Step 3: Cross multiply
    181,930.56x = 272,800.80 × 57,238.08
  4. Step 4: Simplify right side
    181,930.56x = 15,614,594,014.46
  5. Step 5: Solve for x
    x = 15,614,594,014.46/181,930.56
  6. Step 6: Final answer
    x = 85,827.22

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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.