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Finding the Fourth Proportional to 106,082.56, 146,392.02 and 58,336.04

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Solution

The fourth proportional to 106,082.56, 146,392.02 and 58,336.04 is: 80,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,082.56 : 146,392.02 = 58,336.04 : x
  2. Step 2: Convert to fraction form
    106,082.56/146,392.02 = 58,336.04/x
  3. Step 3: Cross multiply
    106,082.56x = 146,392.02 × 58,336.04
  4. Step 4: Simplify right side
    106,082.56x = 8,539,930,734.40
  5. Step 5: Solve for x
    x = 8,539,930,734.40/106,082.56
  6. Step 6: Final answer
    x = 80,502.68

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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.