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Finding the Fourth Proportional to 180,508.35, 270,804.05 and 60,581.21

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Solution

The fourth proportional to 180,508.35, 270,804.05 and 60,581.21 is: 90,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,508.35 : 270,804.05 = 60,581.21 : x
  2. Step 2: Convert to fraction form
    180,508.35/270,804.05 = 60,581.21/x
  3. Step 3: Cross multiply
    180,508.35x = 270,804.05 × 60,581.21
  4. Step 4: Simplify right side
    180,508.35x = 16,405,637,021.90
  5. Step 5: Solve for x
    x = 16,405,637,021.90/180,508.35
  6. Step 6: Final answer
    x = 90,885.75

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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.