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Finding the Fourth Proportional to 84,061.89, 116,004.66 and 45,821.44

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Solution

The fourth proportional to 84,061.89, 116,004.66 and 45,821.44 is: 63,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,061.89 : 116,004.66 = 45,821.44 : x
  2. Step 2: Convert to fraction form
    84,061.89/116,004.66 = 45,821.44/x
  3. Step 3: Cross multiply
    84,061.89x = 116,004.66 × 45,821.44
  4. Step 4: Simplify right side
    84,061.89x = 5,315,500,567.91
  5. Step 5: Solve for x
    x = 5,315,500,567.91/84,061.89
  6. Step 6: Final answer
    x = 63,233.18

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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.