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Finding the Fourth Proportional to 70,682.73, 106,012.95 and 58,751.49

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Solution

The fourth proportional to 70,682.73, 106,012.95 and 58,751.49 is: 88,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,682.73 : 106,012.95 = 58,751.49 : x
  2. Step 2: Convert to fraction form
    70,682.73/106,012.95 = 58,751.49/x
  3. Step 3: Cross multiply
    70,682.73x = 106,012.95 × 58,751.49
  4. Step 4: Simplify right side
    70,682.73x = 6,228,418,771.80
  5. Step 5: Solve for x
    x = 6,228,418,771.80/70,682.73
  6. Step 6: Final answer
    x = 88,117.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.