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Finding the Fourth Proportional to 93,321.68, 139,953.80 and 26,743.94

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Solution

The fourth proportional to 93,321.68, 139,953.80 and 26,743.94 is: 40,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321.68 : 139,953.80 = 26,743.94 : x
  2. Step 2: Convert to fraction form
    93,321.68/139,953.80 = 26,743.94/x
  3. Step 3: Cross multiply
    93,321.68x = 139,953.80 × 26,743.94
  4. Step 4: Simplify right side
    93,321.68x = 3,742,916,029.97
  5. Step 5: Solve for x
    x = 3,742,916,029.97/93,321.68
  6. Step 6: Final answer
    x = 40,107.68

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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.