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Finding the Fourth Proportional to 143,293,173.15, 214,939,759.73 and 143,293,173.15

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Solution

The fourth proportional to 143,293,173.15, 214,939,759.73 and 143,293,173.15 is: 214,939,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,293,173.15 : 214,939,759.73 = 143,293,173.15 : x
  2. Step 2: Convert to fraction form
    143,293,173.15/214,939,759.73 = 143,293,173.15/x
  3. Step 3: Cross multiply
    143,293,173.15x = 214,939,759.73 × 143,293,173.15
  4. Step 4: Simplify right side
    143,293,173.15x = 30,799,400,207,093,820
  5. Step 5: Solve for x
    x = 30,799,400,207,093,820/143,293,173.15
  6. Step 6: Final answer
    x = 214,939,759.73

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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.