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Finding the Fourth Proportional to 180,343.73, 270,609.89 and 73,806.77

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Solution

The fourth proportional to 180,343.73, 270,609.89 and 73,806.77 is: 110,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,343.73 : 270,609.89 = 73,806.77 : x
  2. Step 2: Convert to fraction form
    180,343.73/270,609.89 = 73,806.77/x
  3. Step 3: Cross multiply
    180,343.73x = 270,609.89 × 73,806.77
  4. Step 4: Simplify right side
    180,343.73x = 19,972,840,188.87
  5. Step 5: Solve for x
    x = 19,972,840,188.87/180,343.73
  6. Step 6: Final answer
    x = 110,748.74

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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.