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Finding the Fourth Proportional to 174,419.50, 261,668.25 and 63,611.50

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Solution

The fourth proportional to 174,419.50, 261,668.25 and 63,611.50 is: 95,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,419.50 : 261,668.25 = 63,611.50 : x
  2. Step 2: Convert to fraction form
    174,419.50/261,668.25 = 63,611.50/x
  3. Step 3: Cross multiply
    174,419.50x = 261,668.25 × 63,611.50
  4. Step 4: Simplify right side
    174,419.50x = 16,645,109,884.88
  5. Step 5: Solve for x
    x = 16,645,109,884.88/174,419.50
  6. Step 6: Final answer
    x = 95,431.47

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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.