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Finding the Fourth Proportional to 134,187.79, 185,179.62 and 73,763.68

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Solution

The fourth proportional to 134,187.79, 185,179.62 and 73,763.68 is: 101,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,187.79 : 185,179.62 = 73,763.68 : x
  2. Step 2: Convert to fraction form
    134,187.79/185,179.62 = 73,763.68/x
  3. Step 3: Cross multiply
    134,187.79x = 185,179.62 × 73,763.68
  4. Step 4: Simplify right side
    134,187.79x = 13,659,530,232.20
  5. Step 5: Solve for x
    x = 13,659,530,232.20/134,187.79
  6. Step 6: Final answer
    x = 101,794.14

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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.