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Finding the Fourth Proportional to 100,188.88, 150,312.60 and 44,771.92

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Solution

The fourth proportional to 100,188.88, 150,312.60 and 44,771.92 is: 67,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,188.88 : 150,312.60 = 44,771.92 : x
  2. Step 2: Convert to fraction form
    100,188.88/150,312.60 = 44,771.92/x
  3. Step 3: Cross multiply
    100,188.88x = 150,312.60 × 44,771.92
  4. Step 4: Simplify right side
    100,188.88x = 6,729,783,702.19
  5. Step 5: Solve for x
    x = 6,729,783,702.19/100,188.88
  6. Step 6: Final answer
    x = 67,170.96

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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.