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Finding the Fourth Proportional to 171,095.80, 256,254.90 and 108,110.20

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Solution

The fourth proportional to 171,095.80, 256,254.90 and 108,110.20 is: 161,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,095.80 : 256,254.90 = 108,110.20 : x
  2. Step 2: Convert to fraction form
    171,095.80/256,254.90 = 108,110.20/x
  3. Step 3: Cross multiply
    171,095.80x = 256,254.90 × 108,110.20
  4. Step 4: Simplify right side
    171,095.80x = 27,703,768,489.98
  5. Step 5: Solve for x
    x = 27,703,768,489.98/171,095.80
  6. Step 6: Final answer
    x = 161,919.63

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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.