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Finding the Fourth Proportional to 170,951.76, 256,438.58 and 65,770.73

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Solution

The fourth proportional to 170,951.76, 256,438.58 and 65,770.73 is: 98,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,951.76 : 256,438.58 = 65,770.73 : x
  2. Step 2: Convert to fraction form
    170,951.76/256,438.58 = 65,770.73/x
  3. Step 3: Cross multiply
    170,951.76x = 256,438.58 × 65,770.73
  4. Step 4: Simplify right side
    170,951.76x = 16,866,152,606.76
  5. Step 5: Solve for x
    x = 16,866,152,606.76/170,951.76
  6. Step 6: Final answer
    x = 98,660.30

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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.