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Finding the Fourth Proportional to 250,685.44, 345,851.52 and 160,044.80

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Solution

The fourth proportional to 250,685.44, 345,851.52 and 160,044.80 is: 220,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,685.44 : 345,851.52 = 160,044.80 : x
  2. Step 2: Convert to fraction form
    250,685.44/345,851.52 = 160,044.80/x
  3. Step 3: Cross multiply
    250,685.44x = 345,851.52 × 160,044.80
  4. Step 4: Simplify right side
    250,685.44x = 55,351,737,348.10
  5. Step 5: Solve for x
    x = 55,351,737,348.10/250,685.44
  6. Step 6: Final answer
    x = 220,801.56

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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.