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Finding the Fourth Proportional to 171,003.80, 256,505.70 and 96,354.20

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Solution

The fourth proportional to 171,003.80, 256,505.70 and 96,354.20 is: 144,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,003.80 : 256,505.70 = 96,354.20 : x
  2. Step 2: Convert to fraction form
    171,003.80/256,505.70 = 96,354.20/x
  3. Step 3: Cross multiply
    171,003.80x = 256,505.70 × 96,354.20
  4. Step 4: Simplify right side
    171,003.80x = 24,715,401,518.94
  5. Step 5: Solve for x
    x = 24,715,401,518.94/171,003.80
  6. Step 6: Final answer
    x = 144,531.30

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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.