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Finding the Fourth Proportional to 117,651.68, 176,378.39 and 51,041.69

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Solution

The fourth proportional to 117,651.68, 176,378.39 and 51,041.69 is: 76,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,651.68 : 176,378.39 = 51,041.69 : x
  2. Step 2: Convert to fraction form
    117,651.68/176,378.39 = 51,041.69/x
  3. Step 3: Cross multiply
    117,651.68x = 176,378.39 × 51,041.69
  4. Step 4: Simplify right side
    117,651.68x = 9,002,650,849.87
  5. Step 5: Solve for x
    x = 9,002,650,849.87/117,651.68
  6. Step 6: Final answer
    x = 76,519.53

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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.