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Finding the Fourth Proportional to 62,851.86, 86,737.26 and 34,173.42

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Solution

The fourth proportional to 62,851.86, 86,737.26 and 34,173.42 is: 47,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,851.86 : 86,737.26 = 34,173.42 : x
  2. Step 2: Convert to fraction form
    62,851.86/86,737.26 = 34,173.42/x
  3. Step 3: Cross multiply
    62,851.86x = 86,737.26 × 34,173.42
  4. Step 4: Simplify right side
    62,851.86x = 2,964,108,815.63
  5. Step 5: Solve for x
    x = 2,964,108,815.63/62,851.86
  6. Step 6: Final answer
    x = 47,160.24

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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.