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Finding the Fourth Proportional to 181,719, 272,589.44 and 57,060

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Solution

The fourth proportional to 181,719, 272,589.44 and 57,060 is: 85,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,719 : 272,589.44 = 57,060 : x
  2. Step 2: Convert to fraction form
    181,719/272,589.44 = 57,060/x
  3. Step 3: Cross multiply
    181,719x = 272,589.44 × 57,060
  4. Step 4: Simplify right side
    181,719x = 15,553,953,161.10
  5. Step 5: Solve for x
    x = 15,553,953,161.10/181,719
  6. Step 6: Final answer
    x = 85,593.43

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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.