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Finding the Fourth Proportional to 132,997.60, 199,010.40 and 98,005.60

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Solution

The fourth proportional to 132,997.60, 199,010.40 and 98,005.60 is: 146,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.60 : 199,010.40 = 98,005.60 : x
  2. Step 2: Convert to fraction form
    132,997.60/199,010.40 = 98,005.60/x
  3. Step 3: Cross multiply
    132,997.60x = 199,010.40 × 98,005.60
  4. Step 4: Simplify right side
    132,997.60x = 19,504,133,658.24
  5. Step 5: Solve for x
    x = 19,504,133,658.24/132,997.60
  6. Step 6: Final answer
    x = 146,650.27

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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.