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Finding the Fourth Proportional to 220,590.88, 304,469.49 and 125,153.44

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Solution

The fourth proportional to 220,590.88, 304,469.49 and 125,153.44 is: 172,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,590.88 : 304,469.49 = 125,153.44 : x
  2. Step 2: Convert to fraction form
    220,590.88/304,469.49 = 125,153.44/x
  3. Step 3: Cross multiply
    220,590.88x = 304,469.49 × 125,153.44
  4. Step 4: Simplify right side
    220,590.88x = 38,105,404,048.55
  5. Step 5: Solve for x
    x = 38,105,404,048.55/220,590.88
  6. Step 6: Final answer
    x = 172,742.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.