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Finding the Fourth Proportional to 143,251,015.03, 214,876,522.54 and 143,251,015.03

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Solution

The fourth proportional to 143,251,015.03, 214,876,522.54 and 143,251,015.03 is: 214,876,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,251,015.03 : 214,876,522.54 = 143,251,015.03 : x
  2. Step 2: Convert to fraction form
    143,251,015.03/214,876,522.54 = 143,251,015.03/x
  3. Step 3: Cross multiply
    143,251,015.03x = 214,876,522.54 × 143,251,015.03
  4. Step 4: Simplify right side
    143,251,015.03x = 30,781,279,959,971,672
  5. Step 5: Solve for x
    x = 30,781,279,959,971,672/143,251,015.03
  6. Step 6: Final answer
    x = 214,876,522.54

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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.