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Finding the Fourth Proportional to 93,179.77, 139,791.96 and 30,005.83

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Solution

The fourth proportional to 93,179.77, 139,791.96 and 30,005.83 is: 45,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,179.77 : 139,791.96 = 30,005.83 : x
  2. Step 2: Convert to fraction form
    93,179.77/139,791.96 = 30,005.83/x
  3. Step 3: Cross multiply
    93,179.77x = 139,791.96 × 30,005.83
  4. Step 4: Simplify right side
    93,179.77x = 4,194,573,175.54
  5. Step 5: Solve for x
    x = 4,194,573,175.54/93,179.77
  6. Step 6: Final answer
    x = 45,015.92

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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.