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Finding the Fourth Proportional to 132,843.60, 199,265.40 and 54,014.40

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Solution

The fourth proportional to 132,843.60, 199,265.40 and 54,014.40 is: 81,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,843.60 : 199,265.40 = 54,014.40 : x
  2. Step 2: Convert to fraction form
    132,843.60/199,265.40 = 54,014.40/x
  3. Step 3: Cross multiply
    132,843.60x = 199,265.40 × 54,014.40
  4. Step 4: Simplify right side
    132,843.60x = 10,763,201,021.76
  5. Step 5: Solve for x
    x = 10,763,201,021.76/132,843.60
  6. Step 6: Final answer
    x = 81,021.60

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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.