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Finding the Fourth Proportional to 273,614.60, 410,421.90 and 168,492.80

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Solution

The fourth proportional to 273,614.60, 410,421.90 and 168,492.80 is: 252,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,614.60 : 410,421.90 = 168,492.80 : x
  2. Step 2: Convert to fraction form
    273,614.60/410,421.90 = 168,492.80/x
  3. Step 3: Cross multiply
    273,614.60x = 410,421.90 × 168,492.80
  4. Step 4: Simplify right side
    273,614.60x = 69,153,135,112.32
  5. Step 5: Solve for x
    x = 69,153,135,112.32/273,614.60
  6. Step 6: Final answer
    x = 252,739.20

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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.