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Finding the Fourth Proportional to 93,143.48, 139,672.37 and 29,951.93

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Solution

The fourth proportional to 93,143.48, 139,672.37 and 29,951.93 is: 44,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.48 : 139,672.37 = 29,951.93 : x
  2. Step 2: Convert to fraction form
    93,143.48/139,672.37 = 29,951.93/x
  3. Step 3: Cross multiply
    93,143.48x = 139,672.37 × 29,951.93
  4. Step 4: Simplify right side
    93,143.48x = 4,183,456,201.05
  5. Step 5: Solve for x
    x = 4,183,456,201.05/93,143.48
  6. Step 6: Final answer
    x = 44,914.11

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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.