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Finding the Fourth Proportional to 100,959.92, 151,469.56 and 29,884.40

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Solution

The fourth proportional to 100,959.92, 151,469.56 and 29,884.40 is: 44,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,959.92 : 151,469.56 = 29,884.40 : x
  2. Step 2: Convert to fraction form
    100,959.92/151,469.56 = 29,884.40/x
  3. Step 3: Cross multiply
    100,959.92x = 151,469.56 × 29,884.40
  4. Step 4: Simplify right side
    100,959.92x = 4,526,576,918.86
  5. Step 5: Solve for x
    x = 4,526,576,918.86/100,959.92
  6. Step 6: Final answer
    x = 44,835.39

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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.