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Finding the Fourth Proportional to 64,179.87, 88,571.34 and 35,499.41

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Solution

The fourth proportional to 64,179.87, 88,571.34 and 35,499.41 is: 48,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,179.87 : 88,571.34 = 35,499.41 : x
  2. Step 2: Convert to fraction form
    64,179.87/88,571.34 = 35,499.41/x
  3. Step 3: Cross multiply
    64,179.87x = 88,571.34 × 35,499.41
  4. Step 4: Simplify right side
    64,179.87x = 3,144,230,550.65
  5. Step 5: Solve for x
    x = 3,144,230,550.65/64,179.87
  6. Step 6: Final answer
    x = 48,990.92

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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.