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Finding the Fourth Proportional to 188,265.10, 282,616.35 and 113,469.70

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Solution

The fourth proportional to 188,265.10, 282,616.35 and 113,469.70 is: 170,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,265.10 : 282,616.35 = 113,469.70 : x
  2. Step 2: Convert to fraction form
    188,265.10/282,616.35 = 113,469.70/x
  3. Step 3: Cross multiply
    188,265.10x = 282,616.35 × 113,469.70
  4. Step 4: Simplify right side
    188,265.10x = 32,068,392,449.60
  5. Step 5: Solve for x
    x = 32,068,392,449.60/188,265.10
  6. Step 6: Final answer
    x = 170,336.36

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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.