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Finding the Fourth Proportional to 88,645.63, 122,330.97 and 50,919.88

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Solution

The fourth proportional to 88,645.63, 122,330.97 and 50,919.88 is: 70,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,645.63 : 122,330.97 = 50,919.88 : x
  2. Step 2: Convert to fraction form
    88,645.63/122,330.97 = 50,919.88/x
  3. Step 3: Cross multiply
    88,645.63x = 122,330.97 × 50,919.88
  4. Step 4: Simplify right side
    88,645.63x = 6,229,077,446.43
  5. Step 5: Solve for x
    x = 6,229,077,446.43/88,645.63
  6. Step 6: Final answer
    x = 70,269.43

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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.