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Finding the Fourth Proportional to 263,950.40, 395,925.60 and 123,723.20

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Solution

The fourth proportional to 263,950.40, 395,925.60 and 123,723.20 is: 185,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,950.40 : 395,925.60 = 123,723.20 : x
  2. Step 2: Convert to fraction form
    263,950.40/395,925.60 = 123,723.20/x
  3. Step 3: Cross multiply
    263,950.40x = 395,925.60 × 123,723.20
  4. Step 4: Simplify right side
    263,950.40x = 48,985,182,193.92
  5. Step 5: Solve for x
    x = 48,985,182,193.92/263,950.40
  6. Step 6: Final answer
    x = 185,584.80

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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.