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Finding the Fourth Proportional to 332,743.68, 499,199.72 and 92,857.55

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Solution

The fourth proportional to 332,743.68, 499,199.72 and 92,857.55 is: 139,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,743.68 : 499,199.72 = 92,857.55 : x
  2. Step 2: Convert to fraction form
    332,743.68/499,199.72 = 92,857.55/x
  3. Step 3: Cross multiply
    332,743.68x = 499,199.72 × 92,857.55
  4. Step 4: Simplify right side
    332,743.68x = 46,354,463,743.60
  5. Step 5: Solve for x
    x = 46,354,463,743.60/332,743.68
  6. Step 6: Final answer
    x = 139,309.82

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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.