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Finding the Fourth Proportional to 72,755.01, 100,344.99 and 47,269.56

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Solution

The fourth proportional to 72,755.01, 100,344.99 and 47,269.56 is: 65,195.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,755.01 : 100,344.99 = 47,269.56 : x
  2. Step 2: Convert to fraction form
    72,755.01/100,344.99 = 47,269.56/x
  3. Step 3: Cross multiply
    72,755.01x = 100,344.99 × 47,269.56
  4. Step 4: Simplify right side
    72,755.01x = 4,743,263,525.50
  5. Step 5: Solve for x
    x = 4,743,263,525.50/72,755.01
  6. Step 6: Final answer
    x = 65,195.01

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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.