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Finding the Fourth Proportional to 93,771, 140,608.65 and 30,550.47

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Solution

The fourth proportional to 93,771, 140,608.65 and 30,550.47 is: 45,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,771 : 140,608.65 = 30,550.47 : x
  2. Step 2: Convert to fraction form
    93,771/140,608.65 = 30,550.47/x
  3. Step 3: Cross multiply
    93,771x = 140,608.65 × 30,550.47
  4. Step 4: Simplify right side
    93,771x = 4,295,660,343.57
  5. Step 5: Solve for x
    x = 4,295,660,343.57/93,771
  6. Step 6: Final answer
    x = 45,810.12

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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.