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Finding the Fourth Proportional to 93,608.88, 140,289.12 and 40,961.04

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Solution

The fourth proportional to 93,608.88, 140,289.12 and 40,961.04 is: 61,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,608.88 : 140,289.12 = 40,961.04 : x
  2. Step 2: Convert to fraction form
    93,608.88/140,289.12 = 40,961.04/x
  3. Step 3: Cross multiply
    93,608.88x = 140,289.12 × 40,961.04
  4. Step 4: Simplify right side
    93,608.88x = 5,746,388,255.88
  5. Step 5: Solve for x
    x = 5,746,388,255.88/93,608.88
  6. Step 6: Final answer
    x = 61,387.21

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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.