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Finding the Fourth Proportional to 274,112.80, 410,554.80 and 163,520.80

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Solution

The fourth proportional to 274,112.80, 410,554.80 and 163,520.80 is: 244,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,112.80 : 410,554.80 = 163,520.80 : x
  2. Step 2: Convert to fraction form
    274,112.80/410,554.80 = 163,520.80/x
  3. Step 3: Cross multiply
    274,112.80x = 410,554.80 × 163,520.80
  4. Step 4: Simplify right side
    274,112.80x = 67,134,249,339.84
  5. Step 5: Solve for x
    x = 67,134,249,339.84/274,112.80
  6. Step 6: Final answer
    x = 244,914.68

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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.