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Finding the Fourth Proportional to 273,176.60, 409,764.90 and 168,054.80

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Solution

The fourth proportional to 273,176.60, 409,764.90 and 168,054.80 is: 252,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,176.60 : 409,764.90 = 168,054.80 : x
  2. Step 2: Convert to fraction form
    273,176.60/409,764.90 = 168,054.80/x
  3. Step 3: Cross multiply
    273,176.60x = 409,764.90 × 168,054.80
  4. Step 4: Simplify right side
    273,176.60x = 68,862,958,316.52
  5. Step 5: Solve for x
    x = 68,862,958,316.52/273,176.60
  6. Step 6: Final answer
    x = 252,082.20

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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.