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Finding the Fourth Proportional to 93,293.92, 139,815.72 and 51,110.34

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Solution

The fourth proportional to 93,293.92, 139,815.72 and 51,110.34 is: 76,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.92 : 139,815.72 = 51,110.34 : x
  2. Step 2: Convert to fraction form
    93,293.92/139,815.72 = 51,110.34/x
  3. Step 3: Cross multiply
    93,293.92x = 139,815.72 × 51,110.34
  4. Step 4: Simplify right side
    93,293.92x = 7,146,028,986.54
  5. Step 5: Solve for x
    x = 7,146,028,986.54/93,293.92
  6. Step 6: Final answer
    x = 76,596.94

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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.