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Finding the Fourth Proportional to 230,504.68, 345,757.08 and 72,745.48

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Solution

The fourth proportional to 230,504.68, 345,757.08 and 72,745.48 is: 109,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,504.68 : 345,757.08 = 72,745.48 : x
  2. Step 2: Convert to fraction form
    230,504.68/345,757.08 = 72,745.48/x
  3. Step 3: Cross multiply
    230,504.68x = 345,757.08 × 72,745.48
  4. Step 4: Simplify right side
    230,504.68x = 25,152,264,748.00
  5. Step 5: Solve for x
    x = 25,152,264,748.00/230,504.68
  6. Step 6: Final answer
    x = 109,118.24

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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.