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Finding the Fourth Proportional to 154,578.96, 231,860.88 and 49,393.44

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Solution

The fourth proportional to 154,578.96, 231,860.88 and 49,393.44 is: 74,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,578.96 : 231,860.88 = 49,393.44 : x
  2. Step 2: Convert to fraction form
    154,578.96/231,860.88 = 49,393.44/x
  3. Step 3: Cross multiply
    154,578.96x = 231,860.88 × 49,393.44
  4. Step 4: Simplify right side
    154,578.96x = 11,452,406,464.63
  5. Step 5: Solve for x
    x = 11,452,406,464.63/154,578.96
  6. Step 6: Final answer
    x = 74,087.74

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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.