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Finding the Fourth Proportional to 84,638.88, 116,801.28 and 46,913.04

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Solution

The fourth proportional to 84,638.88, 116,801.28 and 46,913.04 is: 64,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.88 : 116,801.28 = 46,913.04 : x
  2. Step 2: Convert to fraction form
    84,638.88/116,801.28 = 46,913.04/x
  3. Step 3: Cross multiply
    84,638.88x = 116,801.28 × 46,913.04
  4. Step 4: Simplify right side
    84,638.88x = 5,479,503,120.69
  5. Step 5: Solve for x
    x = 5,479,503,120.69/84,638.88
  6. Step 6: Final answer
    x = 64,739.79

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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.