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Finding the Fourth Proportional to 206,685.26, 310,029.56 and 56,933.80

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Solution

The fourth proportional to 206,685.26, 310,029.56 and 56,933.80 is: 85,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,685.26 : 310,029.56 = 56,933.80 : x
  2. Step 2: Convert to fraction form
    206,685.26/310,029.56 = 56,933.80/x
  3. Step 3: Cross multiply
    206,685.26x = 310,029.56 × 56,933.80
  4. Step 4: Simplify right side
    206,685.26x = 17,651,160,963.13
  5. Step 5: Solve for x
    x = 17,651,160,963.13/206,685.26
  6. Step 6: Final answer
    x = 85,401.16

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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.