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Finding the Fourth Proportional to 93,915.96, 140,919.84 and 41,318.88

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Solution

The fourth proportional to 93,915.96, 140,919.84 and 41,318.88 is: 61,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,915.96 : 140,919.84 = 41,318.88 : x
  2. Step 2: Convert to fraction form
    93,915.96/140,919.84 = 41,318.88/x
  3. Step 3: Cross multiply
    93,915.96x = 140,919.84 × 41,318.88
  4. Step 4: Simplify right side
    93,915.96x = 5,822,649,958.58
  5. Step 5: Solve for x
    x = 5,822,649,958.58/93,915.96
  6. Step 6: Final answer
    x = 61,998.51

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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.