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Finding the Fourth Proportional to 174,453.80, 261,680.70 and 162,789.80

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Solution

The fourth proportional to 174,453.80, 261,680.70 and 162,789.80 is: 244,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,453.80 : 261,680.70 = 162,789.80 : x
  2. Step 2: Convert to fraction form
    174,453.80/261,680.70 = 162,789.80/x
  3. Step 3: Cross multiply
    174,453.80x = 261,680.70 × 162,789.80
  4. Step 4: Simplify right side
    174,453.80x = 42,598,948,816.86
  5. Step 5: Solve for x
    x = 42,598,948,816.86/174,453.80
  6. Step 6: Final answer
    x = 244,184.70

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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.