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Finding the Fourth Proportional to 175,187.28, 262,749.12 and 61,351.80

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Solution

The fourth proportional to 175,187.28, 262,749.12 and 61,351.80 is: 92,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,187.28 : 262,749.12 = 61,351.80 : x
  2. Step 2: Convert to fraction form
    175,187.28/262,749.12 = 61,351.80/x
  3. Step 3: Cross multiply
    175,187.28x = 262,749.12 × 61,351.80
  4. Step 4: Simplify right side
    175,187.28x = 16,120,131,460.42
  5. Step 5: Solve for x
    x = 16,120,131,460.42/175,187.28
  6. Step 6: Final answer
    x = 92,016.56

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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.