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Finding the Fourth Proportional to 273,440.40, 410,160.60 and 167,917.20

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Solution

The fourth proportional to 273,440.40, 410,160.60 and 167,917.20 is: 251,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,440.40 : 410,160.60 = 167,917.20 : x
  2. Step 2: Convert to fraction form
    273,440.40/410,160.60 = 167,917.20/x
  3. Step 3: Cross multiply
    273,440.40x = 410,160.60 × 167,917.20
  4. Step 4: Simplify right side
    273,440.40x = 68,873,019,502.32
  5. Step 5: Solve for x
    x = 68,873,019,502.32/273,440.40
  6. Step 6: Final answer
    x = 251,875.80

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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.