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Finding the Fourth Proportional to 171,080.68, 256,631.52 and 65,899.96

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Solution

The fourth proportional to 171,080.68, 256,631.52 and 65,899.96 is: 98,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,080.68 : 256,631.52 = 65,899.96 : x
  2. Step 2: Convert to fraction form
    171,080.68/256,631.52 = 65,899.96/x
  3. Step 3: Cross multiply
    171,080.68x = 256,631.52 × 65,899.96
  4. Step 4: Simplify right side
    171,080.68x = 16,912,006,902.74
  5. Step 5: Solve for x
    x = 16,912,006,902.74/171,080.68
  6. Step 6: Final answer
    x = 98,853.98

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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.