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Finding the Fourth Proportional to 99,593.46, 149,234.46 and 62,579.70

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Solution

The fourth proportional to 99,593.46, 149,234.46 and 62,579.70 is: 93,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,593.46 : 149,234.46 = 62,579.70 : x
  2. Step 2: Convert to fraction form
    99,593.46/149,234.46 = 62,579.70/x
  3. Step 3: Cross multiply
    99,593.46x = 149,234.46 × 62,579.70
  4. Step 4: Simplify right side
    99,593.46x = 9,339,047,736.46
  5. Step 5: Solve for x
    x = 9,339,047,736.46/99,593.46
  6. Step 6: Final answer
    x = 93,771.70

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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.