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Finding the Fourth Proportional to 156,884.40, 235,067.40 and 133,556.40

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Solution

The fourth proportional to 156,884.40, 235,067.40 and 133,556.40 is: 200,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,884.40 : 235,067.40 = 133,556.40 : x
  2. Step 2: Convert to fraction form
    156,884.40/235,067.40 = 133,556.40/x
  3. Step 3: Cross multiply
    156,884.40x = 235,067.40 × 133,556.40
  4. Step 4: Simplify right side
    156,884.40x = 31,394,755,701.36
  5. Step 5: Solve for x
    x = 31,394,755,701.36/156,884.40
  6. Step 6: Final answer
    x = 200,113.94

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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.