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Finding the Fourth Proportional to 141,622.70, 212,360.85 and 41,770.16

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Solution

The fourth proportional to 141,622.70, 212,360.85 and 41,770.16 is: 62,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,622.70 : 212,360.85 = 41,770.16 : x
  2. Step 2: Convert to fraction form
    141,622.70/212,360.85 = 41,770.16/x
  3. Step 3: Cross multiply
    141,622.70x = 212,360.85 × 41,770.16
  4. Step 4: Simplify right side
    141,622.70x = 8,870,345,620.43
  5. Step 5: Solve for x
    x = 8,870,345,620.43/141,622.70
  6. Step 6: Final answer
    x = 62,633.64

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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.