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Finding the Fourth Proportional to 116,625.11, 160,964.64 and 73,037.88

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Solution

The fourth proportional to 116,625.11, 160,964.64 and 73,037.88 is: 100,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,625.11 : 160,964.64 = 73,037.88 : x
  2. Step 2: Convert to fraction form
    116,625.11/160,964.64 = 73,037.88/x
  3. Step 3: Cross multiply
    116,625.11x = 160,964.64 × 73,037.88
  4. Step 4: Simplify right side
    116,625.11x = 11,756,516,060.56
  5. Step 5: Solve for x
    x = 11,756,516,060.56/116,625.11
  6. Step 6: Final answer
    x = 100,806.05

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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.