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Finding the Fourth Proportional to 170,861.40, 256,267.80 and 58,546.80

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Solution

The fourth proportional to 170,861.40, 256,267.80 and 58,546.80 is: 87,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,861.40 : 256,267.80 = 58,546.80 : x
  2. Step 2: Convert to fraction form
    170,861.40/256,267.80 = 58,546.80/x
  3. Step 3: Cross multiply
    170,861.40x = 256,267.80 × 58,546.80
  4. Step 4: Simplify right side
    170,861.40x = 15,003,659,633.04
  5. Step 5: Solve for x
    x = 15,003,659,633.04/170,861.40
  6. Step 6: Final answer
    x = 87,811.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.