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Finding the Fourth Proportional to 96,986.70, 133,810.44 and 58,734

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Solution

The fourth proportional to 96,986.70, 133,810.44 and 58,734 is: 81,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.70 : 133,810.44 = 58,734 : x
  2. Step 2: Convert to fraction form
    96,986.70/133,810.44 = 58,734/x
  3. Step 3: Cross multiply
    96,986.70x = 133,810.44 × 58,734
  4. Step 4: Simplify right side
    96,986.70x = 7,859,222,382.96
  5. Step 5: Solve for x
    x = 7,859,222,382.96/96,986.70
  6. Step 6: Final answer
    x = 81,034.02

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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.