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Finding the Fourth Proportional to 170,711.93, 256,100.85 and 65,522.70

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Solution

The fourth proportional to 170,711.93, 256,100.85 and 65,522.70 is: 98,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,711.93 : 256,100.85 = 65,522.70 : x
  2. Step 2: Convert to fraction form
    170,711.93/256,100.85 = 65,522.70/x
  3. Step 3: Cross multiply
    170,711.93x = 256,100.85 × 65,522.70
  4. Step 4: Simplify right side
    170,711.93x = 16,780,419,164.30
  5. Step 5: Solve for x
    x = 16,780,419,164.30/170,711.93
  6. Step 6: Final answer
    x = 98,296.70

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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.