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Finding the Fourth Proportional to 313,292.88, 469,941.85 and 88,660.64

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Solution

The fourth proportional to 313,292.88, 469,941.85 and 88,660.64 is: 132,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,292.88 : 469,941.85 = 88,660.64 : x
  2. Step 2: Convert to fraction form
    313,292.88/469,941.85 = 88,660.64/x
  3. Step 3: Cross multiply
    313,292.88x = 469,941.85 × 88,660.64
  4. Step 4: Simplify right side
    313,292.88x = 41,665,345,183.78
  5. Step 5: Solve for x
    x = 41,665,345,183.78/313,292.88
  6. Step 6: Final answer
    x = 132,991.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.