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Finding the Fourth Proportional to 93,730.60, 140,591.80 and 27,169.28

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Solution

The fourth proportional to 93,730.60, 140,591.80 and 27,169.28 is: 40,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,730.60 : 140,591.80 = 27,169.28 : x
  2. Step 2: Convert to fraction form
    93,730.60/140,591.80 = 27,169.28/x
  3. Step 3: Cross multiply
    93,730.60x = 140,591.80 × 27,169.28
  4. Step 4: Simplify right side
    93,730.60x = 3,819,777,979.90
  5. Step 5: Solve for x
    x = 3,819,777,979.90/93,730.60
  6. Step 6: Final answer
    x = 40,752.73

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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.