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Finding the Fourth Proportional to 93,206.97, 139,672.20 and 68,462.01

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Solution

The fourth proportional to 93,206.97, 139,672.20 and 68,462.01 is: 102,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,206.97 : 139,672.20 = 68,462.01 : x
  2. Step 2: Convert to fraction form
    93,206.97/139,672.20 = 68,462.01/x
  3. Step 3: Cross multiply
    93,206.97x = 139,672.20 × 68,462.01
  4. Step 4: Simplify right side
    93,206.97x = 9,562,239,553.12
  5. Step 5: Solve for x
    x = 9,562,239,553.12/93,206.97
  6. Step 6: Final answer
    x = 102,591.46

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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.