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Finding the Fourth Proportional to 188,944.92, 260,735.58 and 108,314.64

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Solution

The fourth proportional to 188,944.92, 260,735.58 and 108,314.64 is: 149,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,944.92 : 260,735.58 = 108,314.64 : x
  2. Step 2: Convert to fraction form
    188,944.92/260,735.58 = 108,314.64/x
  3. Step 3: Cross multiply
    188,944.92x = 260,735.58 × 108,314.64
  4. Step 4: Simplify right side
    188,944.92x = 28,241,480,482.89
  5. Step 5: Solve for x
    x = 28,241,480,482.89/188,944.92
  6. Step 6: Final answer
    x = 149,469.38

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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.