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Finding the Fourth Proportional to 174,583.22, 261,671.72 and 99,755.82

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Solution

The fourth proportional to 174,583.22, 261,671.72 and 99,755.82 is: 149,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,583.22 : 261,671.72 = 99,755.82 : x
  2. Step 2: Convert to fraction form
    174,583.22/261,671.72 = 99,755.82/x
  3. Step 3: Cross multiply
    174,583.22x = 261,671.72 × 99,755.82
  4. Step 4: Simplify right side
    174,583.22x = 26,103,276,500.63
  5. Step 5: Solve for x
    x = 26,103,276,500.63/174,583.22
  6. Step 6: Final answer
    x = 149,517.68

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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.