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Finding the Fourth Proportional to 212,446.62, 318,724.61 and 62,680.86

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Solution

The fourth proportional to 212,446.62, 318,724.61 and 62,680.86 is: 94,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,446.62 : 318,724.61 = 62,680.86 : x
  2. Step 2: Convert to fraction form
    212,446.62/318,724.61 = 62,680.86/x
  3. Step 3: Cross multiply
    212,446.62x = 318,724.61 × 62,680.86
  4. Step 4: Simplify right side
    212,446.62x = 19,977,932,344.56
  5. Step 5: Solve for x
    x = 19,977,932,344.56/212,446.62
  6. Step 6: Final answer
    x = 94,037.42

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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.