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Finding the Fourth Proportional to 93,842.73, 140,665.68 and 43,880.72

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Solution

The fourth proportional to 93,842.73, 140,665.68 and 43,880.72 is: 65,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,842.73 : 140,665.68 = 43,880.72 : x
  2. Step 2: Convert to fraction form
    93,842.73/140,665.68 = 43,880.72/x
  3. Step 3: Cross multiply
    93,842.73x = 140,665.68 × 43,880.72
  4. Step 4: Simplify right side
    93,842.73x = 6,172,510,614.36
  5. Step 5: Solve for x
    x = 6,172,510,614.36/93,842.73
  6. Step 6: Final answer
    x = 65,775.05

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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.