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Finding the Fourth Proportional to 84,401.75, 116,469.69 and 46,153.71

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Solution

The fourth proportional to 84,401.75, 116,469.69 and 46,153.71 is: 63,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,401.75 : 116,469.69 = 46,153.71 : x
  2. Step 2: Convert to fraction form
    84,401.75/116,469.69 = 46,153.71/x
  3. Step 3: Cross multiply
    84,401.75x = 116,469.69 × 46,153.71
  4. Step 4: Simplify right side
    84,401.75x = 5,375,508,296.05
  5. Step 5: Solve for x
    x = 5,375,508,296.05/84,401.75
  6. Step 6: Final answer
    x = 63,689.54

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1.5x scale

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.