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Finding the Fourth Proportional to 93,810.60, 140,723.24 and 27,251.84

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Solution

The fourth proportional to 93,810.60, 140,723.24 and 27,251.84 is: 40,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,810.60 : 140,723.24 = 27,251.84 : x
  2. Step 2: Convert to fraction form
    93,810.60/140,723.24 = 27,251.84/x
  3. Step 3: Cross multiply
    93,810.60x = 140,723.24 × 27,251.84
  4. Step 4: Simplify right side
    93,810.60x = 3,834,967,220.76
  5. Step 5: Solve for x
    x = 3,834,967,220.76/93,810.60
  6. Step 6: Final answer
    x = 40,879.89

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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.