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Finding the Fourth Proportional to 141,694,817.10, 212,542,225.65 and 141,694,817.10

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Solution

The fourth proportional to 141,694,817.10, 212,542,225.65 and 141,694,817.10 is: 212,542,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,694,817.10 : 212,542,225.65 = 141,694,817.10 : x
  2. Step 2: Convert to fraction form
    141,694,817.10/212,542,225.65 = 141,694,817.10/x
  3. Step 3: Cross multiply
    141,694,817.10x = 212,542,225.65 × 141,694,817.10
  4. Step 4: Simplify right side
    141,694,817.10x = 30,116,131,789,503,680
  5. Step 5: Solve for x
    x = 30,116,131,789,503,680/141,694,817.10
  6. Step 6: Final answer
    x = 212,542,225.65

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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.