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Finding the Fourth Proportional to 134,883.77, 186,138.69 and 73,629.71

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Solution

The fourth proportional to 134,883.77, 186,138.69 and 73,629.71 is: 101,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,883.77 : 186,138.69 = 73,629.71 : x
  2. Step 2: Convert to fraction form
    134,883.77/186,138.69 = 73,629.71/x
  3. Step 3: Cross multiply
    134,883.77x = 186,138.69 × 73,629.71
  4. Step 4: Simplify right side
    134,883.77x = 13,705,337,764.48
  5. Step 5: Solve for x
    x = 13,705,337,764.48/134,883.77
  6. Step 6: Final answer
    x = 101,608.51

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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.