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Finding the Fourth Proportional to 181,820.52, 272,724.30 and 63,491.40

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Solution

The fourth proportional to 181,820.52, 272,724.30 and 63,491.40 is: 95,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,820.52 : 272,724.30 = 63,491.40 : x
  2. Step 2: Convert to fraction form
    181,820.52/272,724.30 = 63,491.40/x
  3. Step 3: Cross multiply
    181,820.52x = 272,724.30 × 63,491.40
  4. Step 4: Simplify right side
    181,820.52x = 17,315,647,621.02
  5. Step 5: Solve for x
    x = 17,315,647,621.02/181,820.52
  6. Step 6: Final answer
    x = 95,234.84

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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.