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Finding the Fourth Proportional to 171,093.97, 256,638.12 and 51,151.19

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Solution

The fourth proportional to 171,093.97, 256,638.12 and 51,151.19 is: 76,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,093.97 : 256,638.12 = 51,151.19 : x
  2. Step 2: Convert to fraction form
    171,093.97/256,638.12 = 51,151.19/x
  3. Step 3: Cross multiply
    171,093.97x = 256,638.12 × 51,151.19
  4. Step 4: Simplify right side
    171,093.97x = 13,127,344,981.61
  5. Step 5: Solve for x
    x = 13,127,344,981.61/171,093.97
  6. Step 6: Final answer
    x = 76,725.94

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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.