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Finding the Fourth Proportional to 174,591.54, 261,370.62 and 107,817

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Solution

The fourth proportional to 174,591.54, 261,370.62 and 107,817 is: 161,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,591.54 : 261,370.62 = 107,817 : x
  2. Step 2: Convert to fraction form
    174,591.54/261,370.62 = 107,817/x
  3. Step 3: Cross multiply
    174,591.54x = 261,370.62 × 107,817
  4. Step 4: Simplify right side
    174,591.54x = 28,180,196,136.54
  5. Step 5: Solve for x
    x = 28,180,196,136.54/174,591.54
  6. Step 6: Final answer
    x = 161,406.42

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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.