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Finding the Fourth Proportional to 84,491.80, 116,586.48 and 46,765.96

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Solution

The fourth proportional to 84,491.80, 116,586.48 and 46,765.96 is: 64,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,491.80 : 116,586.48 = 46,765.96 : x
  2. Step 2: Convert to fraction form
    84,491.80/116,586.48 = 46,765.96/x
  3. Step 3: Cross multiply
    84,491.80x = 116,586.48 × 46,765.96
  4. Step 4: Simplify right side
    84,491.80x = 5,452,278,660.22
  5. Step 5: Solve for x
    x = 5,452,278,660.22/84,491.80
  6. Step 6: Final answer
    x = 64,530.27

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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.