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Finding the Fourth Proportional to 93,313.99, 139,860.18 and 53,789.41

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Solution

The fourth proportional to 93,313.99, 139,860.18 and 53,789.41 is: 80,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313.99 : 139,860.18 = 53,789.41 : x
  2. Step 2: Convert to fraction form
    93,313.99/139,860.18 = 53,789.41/x
  3. Step 3: Cross multiply
    93,313.99x = 139,860.18 × 53,789.41
  4. Step 4: Simplify right side
    93,313.99x = 7,522,996,564.69
  5. Step 5: Solve for x
    x = 7,522,996,564.69/93,313.99
  6. Step 6: Final answer
    x = 80,620.24

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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.