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Finding the Fourth Proportional to 87,894.25, 131,847.51 and 43,509.08

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Solution

The fourth proportional to 87,894.25, 131,847.51 and 43,509.08 is: 65,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,894.25 : 131,847.51 = 43,509.08 : x
  2. Step 2: Convert to fraction form
    87,894.25/131,847.51 = 43,509.08/x
  3. Step 3: Cross multiply
    87,894.25x = 131,847.51 × 43,509.08
  4. Step 4: Simplify right side
    87,894.25x = 5,736,563,860.39
  5. Step 5: Solve for x
    x = 5,736,563,860.39/87,894.25
  6. Step 6: Final answer
    x = 65,266.66

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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.