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Finding the Fourth Proportional to 168,705.62, 253,058.39 and 67,549.21

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Solution

The fourth proportional to 168,705.62, 253,058.39 and 67,549.21 is: 101,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,705.62 : 253,058.39 = 67,549.21 : x
  2. Step 2: Convert to fraction form
    168,705.62/253,058.39 = 67,549.21/x
  3. Step 3: Cross multiply
    168,705.62x = 253,058.39 × 67,549.21
  4. Step 4: Simplify right side
    168,705.62x = 17,093,893,611.29
  5. Step 5: Solve for x
    x = 17,093,893,611.29/168,705.62
  6. Step 6: Final answer
    x = 101,323.80

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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.