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Finding the Fourth Proportional to 180,457.91, 270,724.22 and 54,093.05

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Solution

The fourth proportional to 180,457.91, 270,724.22 and 54,093.05 is: 81,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,457.91 : 270,724.22 = 54,093.05 : x
  2. Step 2: Convert to fraction form
    180,457.91/270,724.22 = 54,093.05/x
  3. Step 3: Cross multiply
    180,457.91x = 270,724.22 × 54,093.05
  4. Step 4: Simplify right side
    180,457.91x = 14,644,298,768.67
  5. Step 5: Solve for x
    x = 14,644,298,768.67/180,457.91
  6. Step 6: Final answer
    x = 81,150.77

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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.