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Finding the Fourth Proportional to 93,600.87, 140,270.08 and 49,137.79

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Solution

The fourth proportional to 93,600.87, 140,270.08 and 49,137.79 is: 73,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,600.87 : 140,270.08 = 49,137.79 : x
  2. Step 2: Convert to fraction form
    93,600.87/140,270.08 = 49,137.79/x
  3. Step 3: Cross multiply
    93,600.87x = 140,270.08 × 49,137.79
  4. Step 4: Simplify right side
    93,600.87x = 6,892,561,615.94
  5. Step 5: Solve for x
    x = 6,892,561,615.94/93,600.87
  6. Step 6: Final answer
    x = 73,637.80

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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.