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Finding the Fourth Proportional to 116,997.60, 175,107.60 and 82,005.60

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Solution

The fourth proportional to 116,997.60, 175,107.60 and 82,005.60 is: 122,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,997.60 : 175,107.60 = 82,005.60 : x
  2. Step 2: Convert to fraction form
    116,997.60/175,107.60 = 82,005.60/x
  3. Step 3: Cross multiply
    116,997.60x = 175,107.60 × 82,005.60
  4. Step 4: Simplify right side
    116,997.60x = 14,359,803,802.56
  5. Step 5: Solve for x
    x = 14,359,803,802.56/116,997.60
  6. Step 6: Final answer
    x = 122,735.88

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1.5x scale

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.