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Finding the Fourth Proportional to 122,950.35, 169,669.81 and 69,236.01

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Solution

The fourth proportional to 122,950.35, 169,669.81 and 69,236.01 is: 95,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,950.35 : 169,669.81 = 69,236.01 : x
  2. Step 2: Convert to fraction form
    122,950.35/169,669.81 = 69,236.01/x
  3. Step 3: Cross multiply
    122,950.35x = 169,669.81 × 69,236.01
  4. Step 4: Simplify right side
    122,950.35x = 11,747,260,661.86
  5. Step 5: Solve for x
    x = 11,747,260,661.86/122,950.35
  6. Step 6: Final answer
    x = 95,544.75

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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.