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Finding the Fourth Proportional to 273,436.80, 410,154 and 73,777.48

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Solution

The fourth proportional to 273,436.80, 410,154 and 73,777.48 is: 110,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,436.80 : 410,154 = 73,777.48 : x
  2. Step 2: Convert to fraction form
    273,436.80/410,154 = 73,777.48/x
  3. Step 3: Cross multiply
    273,436.80x = 410,154 × 73,777.48
  4. Step 4: Simplify right side
    273,436.80x = 30,260,128,531.92
  5. Step 5: Solve for x
    x = 30,260,128,531.92/273,436.80
  6. Step 6: Final answer
    x = 110,665.90

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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.