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Finding the Fourth Proportional to 100,124.88, 150,213.36 and 37,795.92

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Solution

The fourth proportional to 100,124.88, 150,213.36 and 37,795.92 is: 56,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,124.88 : 150,213.36 = 37,795.92 : x
  2. Step 2: Convert to fraction form
    100,124.88/150,213.36 = 37,795.92/x
  3. Step 3: Cross multiply
    100,124.88x = 150,213.36 × 37,795.92
  4. Step 4: Simplify right side
    100,124.88x = 5,677,452,137.49
  5. Step 5: Solve for x
    x = 5,677,452,137.49/100,124.88
  6. Step 6: Final answer
    x = 56,703.71

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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.