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Finding the Fourth Proportional to 84,797.11, 116,975.82 and 57,563.70

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Solution

The fourth proportional to 84,797.11, 116,975.82 and 57,563.70 is: 79,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,797.11 : 116,975.82 = 57,563.70 : x
  2. Step 2: Convert to fraction form
    84,797.11/116,975.82 = 57,563.70/x
  3. Step 3: Cross multiply
    84,797.11x = 116,975.82 × 57,563.70
  4. Step 4: Simplify right side
    84,797.11x = 6,733,561,009.73
  5. Step 5: Solve for x
    x = 6,733,561,009.73/84,797.11
  6. Step 6: Final answer
    x = 79,407.91

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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.