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Finding the Fourth Proportional to 188,883.92, 260,660.76 and 108,314.48

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Solution

The fourth proportional to 188,883.92, 260,660.76 and 108,314.48 is: 149,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,883.92 : 260,660.76 = 108,314.48 : x
  2. Step 2: Convert to fraction form
    188,883.92/260,660.76 = 108,314.48/x
  3. Step 3: Cross multiply
    188,883.92x = 260,660.76 × 108,314.48
  4. Step 4: Simplify right side
    188,883.92x = 28,233,334,675.80
  5. Step 5: Solve for x
    x = 28,233,334,675.80/188,883.92
  6. Step 6: Final answer
    x = 149,474.53

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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.