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Finding the Fourth Proportional to 171,181.20, 256,966.20 and 92,254.80

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Solution

The fourth proportional to 171,181.20, 256,966.20 and 92,254.80 is: 138,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,181.20 : 256,966.20 = 92,254.80 : x
  2. Step 2: Convert to fraction form
    171,181.20/256,966.20 = 92,254.80/x
  3. Step 3: Cross multiply
    171,181.20x = 256,966.20 × 92,254.80
  4. Step 4: Simplify right side
    171,181.20x = 23,706,365,387.76
  5. Step 5: Solve for x
    x = 23,706,365,387.76/171,181.20
  6. Step 6: Final answer
    x = 138,486.97

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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.