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Finding the Fourth Proportional to 192,176.84, 265,183.80 and 111,588.60

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Solution

The fourth proportional to 192,176.84, 265,183.80 and 111,588.60 is: 153,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,176.84 : 265,183.80 = 111,588.60 : x
  2. Step 2: Convert to fraction form
    192,176.84/265,183.80 = 111,588.60/x
  3. Step 3: Cross multiply
    192,176.84x = 265,183.80 × 111,588.60
  4. Step 4: Simplify right side
    192,176.84x = 29,591,488,984.68
  5. Step 5: Solve for x
    x = 29,591,488,984.68/192,176.84
  6. Step 6: Final answer
    x = 153,980.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.