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Finding the Fourth Proportional to 273,344.80, 410,017.20 and 167,821.60

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Solution

The fourth proportional to 273,344.80, 410,017.20 and 167,821.60 is: 251,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,344.80 : 410,017.20 = 167,821.60 : x
  2. Step 2: Convert to fraction form
    273,344.80/410,017.20 = 167,821.60/x
  3. Step 3: Cross multiply
    273,344.80x = 410,017.20 × 167,821.60
  4. Step 4: Simplify right side
    273,344.80x = 68,809,742,531.52
  5. Step 5: Solve for x
    x = 68,809,742,531.52/273,344.80
  6. Step 6: Final answer
    x = 251,732.40

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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.