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Finding the Fourth Proportional to 88,082.99, 121,553.57 and 47,797.64

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Solution

The fourth proportional to 88,082.99, 121,553.57 and 47,797.64 is: 65,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082.99 : 121,553.57 = 47,797.64 : x
  2. Step 2: Convert to fraction form
    88,082.99/121,553.57 = 47,797.64/x
  3. Step 3: Cross multiply
    88,082.99x = 121,553.57 × 47,797.64
  4. Step 4: Simplify right side
    88,082.99x = 5,809,973,540.59
  5. Step 5: Solve for x
    x = 5,809,973,540.59/88,082.99
  6. Step 6: Final answer
    x = 65,960.22

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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.