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Finding the Fourth Proportional to 206,008.52, 308,939.34 and 93,594.56

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Solution

The fourth proportional to 206,008.52, 308,939.34 and 93,594.56 is: 140,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,008.52 : 308,939.34 = 93,594.56 : x
  2. Step 2: Convert to fraction form
    206,008.52/308,939.34 = 93,594.56/x
  3. Step 3: Cross multiply
    206,008.52x = 308,939.34 × 93,594.56
  4. Step 4: Simplify right side
    206,008.52x = 28,915,041,593.99
  5. Step 5: Solve for x
    x = 28,915,041,593.99/206,008.52
  6. Step 6: Final answer
    x = 140,358.47

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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.