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Finding the Fourth Proportional to 101,550.53, 140,144.55 and 61,263.43

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Solution

The fourth proportional to 101,550.53, 140,144.55 and 61,263.43 is: 84,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,550.53 : 140,144.55 = 61,263.43 : x
  2. Step 2: Convert to fraction form
    101,550.53/140,144.55 = 61,263.43/x
  3. Step 3: Cross multiply
    101,550.53x = 140,144.55 × 61,263.43
  4. Step 4: Simplify right side
    101,550.53x = 8,585,735,828.81
  5. Step 5: Solve for x
    x = 8,585,735,828.81/101,550.53
  6. Step 6: Final answer
    x = 84,546.44

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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.