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Finding the Fourth Proportional to 219,625.20, 329,437.80 and 167,137.20

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Solution

The fourth proportional to 219,625.20, 329,437.80 and 167,137.20 is: 250,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,625.20 : 329,437.80 = 167,137.20 : x
  2. Step 2: Convert to fraction form
    219,625.20/329,437.80 = 167,137.20/x
  3. Step 3: Cross multiply
    219,625.20x = 329,437.80 × 167,137.20
  4. Step 4: Simplify right side
    219,625.20x = 55,061,311,466.16
  5. Step 5: Solve for x
    x = 55,061,311,466.16/219,625.20
  6. Step 6: Final answer
    x = 250,705.80

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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.