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Finding the Fourth Proportional to 93,644.76, 140,481.10 and 34,475.88

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Solution

The fourth proportional to 93,644.76, 140,481.10 and 34,475.88 is: 51,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,644.76 : 140,481.10 = 34,475.88 : x
  2. Step 2: Convert to fraction form
    93,644.76/140,481.10 = 34,475.88/x
  3. Step 3: Cross multiply
    93,644.76x = 140,481.10 × 34,475.88
  4. Step 4: Simplify right side
    93,644.76x = 4,843,209,545.87
  5. Step 5: Solve for x
    x = 4,843,209,545.87/93,644.76
  6. Step 6: Final answer
    x = 51,718.96

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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.