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Finding the Fourth Proportional to 172,366.20, 258,549.30 and 169,450.20

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Solution

The fourth proportional to 172,366.20, 258,549.30 and 169,450.20 is: 254,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,366.20 : 258,549.30 = 169,450.20 : x
  2. Step 2: Convert to fraction form
    172,366.20/258,549.30 = 169,450.20/x
  3. Step 3: Cross multiply
    172,366.20x = 258,549.30 × 169,450.20
  4. Step 4: Simplify right side
    172,366.20x = 43,811,230,594.86
  5. Step 5: Solve for x
    x = 43,811,230,594.86/172,366.20
  6. Step 6: Final answer
    x = 254,175.30

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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.