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Finding the Fourth Proportional to 93,732.60, 140,594.80 and 27,171.28

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Solution

The fourth proportional to 93,732.60, 140,594.80 and 27,171.28 is: 40,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,732.60 : 140,594.80 = 27,171.28 : x
  2. Step 2: Convert to fraction form
    93,732.60/140,594.80 = 27,171.28/x
  3. Step 3: Cross multiply
    93,732.60x = 140,594.80 × 27,171.28
  4. Step 4: Simplify right side
    93,732.60x = 3,820,140,677.34
  5. Step 5: Solve for x
    x = 3,820,140,677.34/93,732.60
  6. Step 6: Final answer
    x = 40,755.73

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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.