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Finding the Fourth Proportional to 93,699.99, 140,596.16 and 43,783.54

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Solution

The fourth proportional to 93,699.99, 140,596.16 and 43,783.54 is: 65,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,699.99 : 140,596.16 = 43,783.54 : x
  2. Step 2: Convert to fraction form
    93,699.99/140,596.16 = 43,783.54/x
  3. Step 3: Cross multiply
    93,699.99x = 140,596.16 × 43,783.54
  4. Step 4: Simplify right side
    93,699.99x = 6,155,797,024.80
  5. Step 5: Solve for x
    x = 6,155,797,024.80/93,699.99
  6. Step 6: Final answer
    x = 65,696.88

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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.