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Finding the Fourth Proportional to 93,107.00, 139,729.78 and 45,747.51

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Solution

The fourth proportional to 93,107.00, 139,729.78 and 45,747.51 is: 68,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,107.00 : 139,729.78 = 45,747.51 : x
  2. Step 2: Convert to fraction form
    93,107.00/139,729.78 = 45,747.51/x
  3. Step 3: Cross multiply
    93,107.00x = 139,729.78 × 45,747.51
  4. Step 4: Simplify right side
    93,107.00x = 6,392,289,507.85
  5. Step 5: Solve for x
    x = 6,392,289,507.85/93,107.00
  6. Step 6: Final answer
    x = 68,655.31

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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.