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Finding the Fourth Proportional to 63,147.99, 87,138.02 and 34,851.85

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Solution

The fourth proportional to 63,147.99, 87,138.02 and 34,851.85 is: 48,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.99 : 87,138.02 = 34,851.85 : x
  2. Step 2: Convert to fraction form
    63,147.99/87,138.02 = 34,851.85/x
  3. Step 3: Cross multiply
    63,147.99x = 87,138.02 × 34,851.85
  4. Step 4: Simplify right side
    63,147.99x = 3,036,921,028.08
  5. Step 5: Solve for x
    x = 3,036,921,028.08/63,147.99
  6. Step 6: Final answer
    x = 48,092.13

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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.