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Finding the Fourth Proportional to 61,704.88, 85,147.92 and 34,850.08

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Solution

The fourth proportional to 61,704.88, 85,147.92 and 34,850.08 is: 48,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,704.88 : 85,147.92 = 34,850.08 : x
  2. Step 2: Convert to fraction form
    61,704.88/85,147.92 = 34,850.08/x
  3. Step 3: Cross multiply
    61,704.88x = 85,147.92 × 34,850.08
  4. Step 4: Simplify right side
    61,704.88x = 2,967,411,823.83
  5. Step 5: Solve for x
    x = 2,967,411,823.83/61,704.88
  6. Step 6: Final answer
    x = 48,090.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.