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Finding the Fourth Proportional to 93,818.60, 140,735.28 and 27,259.88

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Solution

The fourth proportional to 93,818.60, 140,735.28 and 27,259.88 is: 40,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,818.60 : 140,735.28 = 27,259.88 : x
  2. Step 2: Convert to fraction form
    93,818.60/140,735.28 = 27,259.88/x
  3. Step 3: Cross multiply
    93,818.60x = 140,735.28 × 27,259.88
  4. Step 4: Simplify right side
    93,818.60x = 3,836,426,844.57
  5. Step 5: Solve for x
    x = 3,836,426,844.57/93,818.60
  6. Step 6: Final answer
    x = 40,891.96

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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.