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Finding the Fourth Proportional to 93,162.76, 139,744.19 and 29,982.88

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Solution

The fourth proportional to 93,162.76, 139,744.19 and 29,982.88 is: 44,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,162.76 : 139,744.19 = 29,982.88 : x
  2. Step 2: Convert to fraction form
    93,162.76/139,744.19 = 29,982.88/x
  3. Step 3: Cross multiply
    93,162.76x = 139,744.19 × 29,982.88
  4. Step 4: Simplify right side
    93,162.76x = 4,189,932,574.39
  5. Step 5: Solve for x
    x = 4,189,932,574.39/93,162.76
  6. Step 6: Final answer
    x = 44,974.33

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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.