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Finding the Fourth Proportional to 93,067.75, 139,647.75 and 36,906.63

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Solution

The fourth proportional to 93,067.75, 139,647.75 and 36,906.63 is: 55,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,067.75 : 139,647.75 = 36,906.63 : x
  2. Step 2: Convert to fraction form
    93,067.75/139,647.75 = 36,906.63/x
  3. Step 3: Cross multiply
    93,067.75x = 139,647.75 × 36,906.63
  4. Step 4: Simplify right side
    93,067.75x = 5,153,927,839.58
  5. Step 5: Solve for x
    x = 5,153,927,839.58/93,067.75
  6. Step 6: Final answer
    x = 55,378.24

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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.