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Finding the Fourth Proportional to 171,301.92, 256,805.22 and 66,194.64

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Solution

The fourth proportional to 171,301.92, 256,805.22 and 66,194.64 is: 99,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,301.92 : 256,805.22 = 66,194.64 : x
  2. Step 2: Convert to fraction form
    171,301.92/256,805.22 = 66,194.64/x
  3. Step 3: Cross multiply
    171,301.92x = 256,805.22 × 66,194.64
  4. Step 4: Simplify right side
    171,301.92x = 16,999,129,088.02
  5. Step 5: Solve for x
    x = 16,999,129,088.02/171,301.92
  6. Step 6: Final answer
    x = 99,234.90

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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.