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Finding the Fourth Proportional to 100,337.79, 150,514.88 and 50,392.20

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Solution

The fourth proportional to 100,337.79, 150,514.88 and 50,392.20 is: 75,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,337.79 : 150,514.88 = 50,392.20 : x
  2. Step 2: Convert to fraction form
    100,337.79/150,514.88 = 50,392.20/x
  3. Step 3: Cross multiply
    100,337.79x = 150,514.88 × 50,392.20
  4. Step 4: Simplify right side
    100,337.79x = 7,584,775,935.94
  5. Step 5: Solve for x
    x = 7,584,775,935.94/100,337.79
  6. Step 6: Final answer
    x = 75,592.42

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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.