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Finding the Fourth Proportional to 100,614.78, 150,952.32 and 40,612.37

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Solution

The fourth proportional to 100,614.78, 150,952.32 and 40,612.37 is: 60,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,614.78 : 150,952.32 = 40,612.37 : x
  2. Step 2: Convert to fraction form
    100,614.78/150,952.32 = 40,612.37/x
  3. Step 3: Cross multiply
    100,614.78x = 150,952.32 × 40,612.37
  4. Step 4: Simplify right side
    100,614.78x = 6,130,530,717.44
  5. Step 5: Solve for x
    x = 6,130,530,717.44/100,614.78
  6. Step 6: Final answer
    x = 60,930.72

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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.