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Finding the Fourth Proportional to 118,951.20, 178,383.60 and 59,767.20

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Solution

The fourth proportional to 118,951.20, 178,383.60 and 59,767.20 is: 89,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,951.20 : 178,383.60 = 59,767.20 : x
  2. Step 2: Convert to fraction form
    118,951.20/178,383.60 = 59,767.20/x
  3. Step 3: Cross multiply
    118,951.20x = 178,383.60 × 59,767.20
  4. Step 4: Simplify right side
    118,951.20x = 10,661,488,297.92
  5. Step 5: Solve for x
    x = 10,661,488,297.92/118,951.20
  6. Step 6: Final answer
    x = 89,629.09

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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.