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Finding the Fourth Proportional to 84,034.73, 115,966.44 and 45,794.62

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Solution

The fourth proportional to 84,034.73, 115,966.44 and 45,794.62 is: 63,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,034.73 : 115,966.44 = 45,794.62 : x
  2. Step 2: Convert to fraction form
    84,034.73/115,966.44 = 45,794.62/x
  3. Step 3: Cross multiply
    84,034.73x = 115,966.44 × 45,794.62
  4. Step 4: Simplify right side
    84,034.73x = 5,310,639,052.55
  5. Step 5: Solve for x
    x = 5,310,639,052.55/84,034.73
  6. Step 6: Final answer
    x = 63,195.77

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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.