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Finding the Fourth Proportional to 273,177.60, 409,766.40 and 168,055.80

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Solution

The fourth proportional to 273,177.60, 409,766.40 and 168,055.80 is: 252,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,177.60 : 409,766.40 = 168,055.80 : x
  2. Step 2: Convert to fraction form
    273,177.60/409,766.40 = 168,055.80/x
  3. Step 3: Cross multiply
    273,177.60x = 409,766.40 × 168,055.80
  4. Step 4: Simplify right side
    273,177.60x = 68,863,620,165.12
  5. Step 5: Solve for x
    x = 68,863,620,165.12/273,177.60
  6. Step 6: Final answer
    x = 252,083.70

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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.