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Finding the Fourth Proportional to 171,156.06, 256,734.82 and 112,363.74

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Solution

The fourth proportional to 171,156.06, 256,734.82 and 112,363.74 is: 168,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,156.06 : 256,734.82 = 112,363.74 : x
  2. Step 2: Convert to fraction form
    171,156.06/256,734.82 = 112,363.74/x
  3. Step 3: Cross multiply
    171,156.06x = 256,734.82 × 112,363.74
  4. Step 4: Simplify right side
    171,156.06x = 28,847,684,563.43
  5. Step 5: Solve for x
    x = 28,847,684,563.43/171,156.06
  6. Step 6: Final answer
    x = 168,546.09

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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.