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Finding the Fourth Proportional to 72,597.96, 100,190.16 and 44,308.44

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Solution

The fourth proportional to 72,597.96, 100,190.16 and 44,308.44 is: 61,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,597.96 : 100,190.16 = 44,308.44 : x
  2. Step 2: Convert to fraction form
    72,597.96/100,190.16 = 44,308.44/x
  3. Step 3: Cross multiply
    72,597.96x = 100,190.16 × 44,308.44
  4. Step 4: Simplify right side
    72,597.96x = 4,439,269,692.95
  5. Step 5: Solve for x
    x = 4,439,269,692.95/72,597.96
  6. Step 6: Final answer
    x = 61,148.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.