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Finding the Fourth Proportional to 57,895,872.68, 86,830,540.86 and 34,559,203.88

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Solution

The fourth proportional to 57,895,872.68, 86,830,540.86 and 34,559,203.88 is: 51,830,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,895,872.68 : 86,830,540.86 = 34,559,203.88 : x
  2. Step 2: Convert to fraction form
    57,895,872.68/86,830,540.86 = 34,559,203.88/x
  3. Step 3: Cross multiply
    57,895,872.68x = 86,830,540.86 × 34,559,203.88
  4. Step 4: Simplify right side
    57,895,872.68x = 3,000,794,364,591,410.50
  5. Step 5: Solve for x
    x = 3,000,794,364,591,410.50/57,895,872.68
  6. Step 6: Final answer
    x = 51,830,885.79

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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.