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Finding the Fourth Proportional to 88,709.60, 122,400.96 and 50,976.56

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Solution

The fourth proportional to 88,709.60, 122,400.96 and 50,976.56 is: 70,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,709.60 : 122,400.96 = 50,976.56 : x
  2. Step 2: Convert to fraction form
    88,709.60/122,400.96 = 50,976.56/x
  3. Step 3: Cross multiply
    88,709.60x = 122,400.96 × 50,976.56
  4. Step 4: Simplify right side
    88,709.60x = 6,239,579,269.49
  5. Step 5: Solve for x
    x = 6,239,579,269.49/88,709.60
  6. Step 6: Final answer
    x = 70,337.14

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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.