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Finding the Fourth Proportional to 181,817.96, 272,426.21 and 92,949.21

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Solution

The fourth proportional to 181,817.96, 272,426.21 and 92,949.21 is: 139,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,817.96 : 272,426.21 = 92,949.21 : x
  2. Step 2: Convert to fraction form
    181,817.96/272,426.21 = 92,949.21/x
  3. Step 3: Cross multiply
    181,817.96x = 272,426.21 × 92,949.21
  4. Step 4: Simplify right side
    181,817.96x = 25,321,800,538.05
  5. Step 5: Solve for x
    x = 25,321,800,538.05/181,817.96
  6. Step 6: Final answer
    x = 139,270.08

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1.5x scale

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.