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Finding the Fourth Proportional to 169,951, 254,926.50 and 80,934.64

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Solution

The fourth proportional to 169,951, 254,926.50 and 80,934.64 is: 121,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,951 : 254,926.50 = 80,934.64 : x
  2. Step 2: Convert to fraction form
    169,951/254,926.50 = 80,934.64/x
  3. Step 3: Cross multiply
    169,951x = 254,926.50 × 80,934.64
  4. Step 4: Simplify right side
    169,951x = 20,632,384,503.96
  5. Step 5: Solve for x
    x = 20,632,384,503.96/169,951
  6. Step 6: Final answer
    x = 121,401.96

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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.