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Finding the Fourth Proportional to 93,315.33, 139,972.87 and 23,194.64

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Solution

The fourth proportional to 93,315.33, 139,972.87 and 23,194.64 is: 34,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315.33 : 139,972.87 = 23,194.64 : x
  2. Step 2: Convert to fraction form
    93,315.33/139,972.87 = 23,194.64/x
  3. Step 3: Cross multiply
    93,315.33x = 139,972.87 × 23,194.64
  4. Step 4: Simplify right side
    93,315.33x = 3,246,620,329.42
  5. Step 5: Solve for x
    x = 3,246,620,329.42/93,315.33
  6. Step 6: Final answer
    x = 34,791.93

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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.