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Finding the Fourth Proportional to 170,790.43, 235,659.72 and 119,958.46

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Solution

The fourth proportional to 170,790.43, 235,659.72 and 119,958.46 is: 165,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.43 : 235,659.72 = 119,958.46 : x
  2. Step 2: Convert to fraction form
    170,790.43/235,659.72 = 119,958.46/x
  3. Step 3: Cross multiply
    170,790.43x = 235,659.72 × 119,958.46
  4. Step 4: Simplify right side
    170,790.43x = 28,269,377,095.23
  5. Step 5: Solve for x
    x = 28,269,377,095.23/170,790.43
  6. Step 6: Final answer
    x = 165,520.85

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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.