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Finding the Fourth Proportional to 93,428.88, 140,141.76 and 43,481.04

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Solution

The fourth proportional to 93,428.88, 140,141.76 and 43,481.04 is: 65,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,428.88 : 140,141.76 = 43,481.04 : x
  2. Step 2: Convert to fraction form
    93,428.88/140,141.76 = 43,481.04/x
  3. Step 3: Cross multiply
    93,428.88x = 140,141.76 × 43,481.04
  4. Step 4: Simplify right side
    93,428.88x = 6,093,509,472.23
  5. Step 5: Solve for x
    x = 6,093,509,472.23/93,428.88
  6. Step 6: Final answer
    x = 65,220.83

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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.