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Finding the Fourth Proportional to 181,624.53, 272,425.83 and 67,750.41

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Solution

The fourth proportional to 181,624.53, 272,425.83 and 67,750.41 is: 101,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,624.53 : 272,425.83 = 67,750.41 : x
  2. Step 2: Convert to fraction form
    181,624.53/272,425.83 = 67,750.41/x
  3. Step 3: Cross multiply
    181,624.53x = 272,425.83 × 67,750.41
  4. Step 4: Simplify right side
    181,624.53x = 18,456,961,677.09
  5. Step 5: Solve for x
    x = 18,456,961,677.09/181,624.53
  6. Step 6: Final answer
    x = 101,621.52

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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.