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Finding the Fourth Proportional to 174,433.80, 261,650.70 and 43,105.80

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Solution

The fourth proportional to 174,433.80, 261,650.70 and 43,105.80 is: 64,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,433.80 : 261,650.70 = 43,105.80 : x
  2. Step 2: Convert to fraction form
    174,433.80/261,650.70 = 43,105.80/x
  3. Step 3: Cross multiply
    174,433.80x = 261,650.70 × 43,105.80
  4. Step 4: Simplify right side
    174,433.80x = 11,278,662,744.06
  5. Step 5: Solve for x
    x = 11,278,662,744.06/174,433.80
  6. Step 6: Final answer
    x = 64,658.70

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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.