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Finding the Fourth Proportional to 84,227.88, 116,082.23 and 69,811.79

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Solution

The fourth proportional to 84,227.88, 116,082.23 and 69,811.79 is: 96,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,227.88 : 116,082.23 = 69,811.79 : x
  2. Step 2: Convert to fraction form
    84,227.88/116,082.23 = 69,811.79/x
  3. Step 3: Cross multiply
    84,227.88x = 116,082.23 × 69,811.79
  4. Step 4: Simplify right side
    84,227.88x = 8,103,908,235.08
  5. Step 5: Solve for x
    x = 8,103,908,235.08/84,227.88
  6. Step 6: Final answer
    x = 96,214.09

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1.5x scale

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.