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Finding the Fourth Proportional to 235,578.13, 353,361.72 and 75,653.74

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Solution

The fourth proportional to 235,578.13, 353,361.72 and 75,653.74 is: 113,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,578.13 : 353,361.72 = 75,653.74 : x
  2. Step 2: Convert to fraction form
    235,578.13/353,361.72 = 75,653.74/x
  3. Step 3: Cross multiply
    235,578.13x = 353,361.72 × 75,653.74
  4. Step 4: Simplify right side
    235,578.13x = 26,733,135,690.83
  5. Step 5: Solve for x
    x = 26,733,135,690.83/235,578.13
  6. Step 6: Final answer
    x = 113,478.85

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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.