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Finding the Fourth Proportional to 184,988.54, 255,284.82 and 100,105.58

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Solution

The fourth proportional to 184,988.54, 255,284.82 and 100,105.58 is: 138,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,988.54 : 255,284.82 = 100,105.58 : x
  2. Step 2: Convert to fraction form
    184,988.54/255,284.82 = 100,105.58/x
  3. Step 3: Cross multiply
    184,988.54x = 255,284.82 × 100,105.58
  4. Step 4: Simplify right side
    184,988.54x = 25,555,433,694.87
  5. Step 5: Solve for x
    x = 25,555,433,694.87/184,988.54
  6. Step 6: Final answer
    x = 138,146.04

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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.