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Finding the Fourth Proportional to 219,335.20, 329,002.80 and 166,847.20

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Solution

The fourth proportional to 219,335.20, 329,002.80 and 166,847.20 is: 250,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,335.20 : 329,002.80 = 166,847.20 : x
  2. Step 2: Convert to fraction form
    219,335.20/329,002.80 = 166,847.20/x
  3. Step 3: Cross multiply
    219,335.20x = 329,002.80 × 166,847.20
  4. Step 4: Simplify right side
    219,335.20x = 54,893,195,972.16
  5. Step 5: Solve for x
    x = 54,893,195,972.16/219,335.20
  6. Step 6: Final answer
    x = 250,270.80

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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.