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Finding the Fourth Proportional to 284,571.37, 426,873.76 and 107,079.92

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Solution

The fourth proportional to 284,571.37, 426,873.76 and 107,079.92 is: 160,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,571.37 : 426,873.76 = 107,079.92 : x
  2. Step 2: Convert to fraction form
    284,571.37/426,873.76 = 107,079.92/x
  3. Step 3: Cross multiply
    284,571.37x = 426,873.76 × 107,079.92
  4. Step 4: Simplify right side
    284,571.37x = 45,709,605,668.83
  5. Step 5: Solve for x
    x = 45,709,605,668.83/284,571.37
  6. Step 6: Final answer
    x = 160,626.16

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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.