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Finding the Fourth Proportional to 234,522.95, 351,780.96 and 74,608.57

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Solution

The fourth proportional to 234,522.95, 351,780.96 and 74,608.57 is: 111,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,522.95 : 351,780.96 = 74,608.57 : x
  2. Step 2: Convert to fraction form
    234,522.95/351,780.96 = 74,608.57/x
  3. Step 3: Cross multiply
    234,522.95x = 351,780.96 × 74,608.57
  4. Step 4: Simplify right side
    234,522.95x = 26,245,872,536.88
  5. Step 5: Solve for x
    x = 26,245,872,536.88/234,522.95
  6. Step 6: Final answer
    x = 111,911.75

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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.