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Finding the Fourth Proportional to 217,832,114.15, 305,730,234.85 and 217,832,114.15

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Solution

The fourth proportional to 217,832,114.15, 305,730,234.85 and 217,832,114.15 is: 305,730,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,832,114.15 : 305,730,234.85 = 217,832,114.15 : x
  2. Step 2: Convert to fraction form
    217,832,114.15/305,730,234.85 = 217,832,114.15/x
  3. Step 3: Cross multiply
    217,832,114.15x = 305,730,234.85 × 217,832,114.15
  4. Step 4: Simplify right side
    217,832,114.15x = 66,597,863,416,951,512
  5. Step 5: Solve for x
    x = 66,597,863,416,951,512/217,832,114.15
  6. Step 6: Final answer
    x = 305,730,234.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.