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Finding the Fourth Proportional to 88,912.68, 122,698.29 and 50,674.51

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Solution

The fourth proportional to 88,912.68, 122,698.29 and 50,674.51 is: 69,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,912.68 : 122,698.29 = 50,674.51 : x
  2. Step 2: Convert to fraction form
    88,912.68/122,698.29 = 50,674.51/x
  3. Step 3: Cross multiply
    88,912.68x = 122,698.29 × 50,674.51
  4. Step 4: Simplify right side
    88,912.68x = 6,217,675,723.59
  5. Step 5: Solve for x
    x = 6,217,675,723.59/88,912.68
  6. Step 6: Final answer
    x = 69,930.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.