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Finding the Fourth Proportional to 230,482.80, 345,723.60 and 64,270.80

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Solution

The fourth proportional to 230,482.80, 345,723.60 and 64,270.80 is: 96,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,482.80 : 345,723.60 = 64,270.80 : x
  2. Step 2: Convert to fraction form
    230,482.80/345,723.60 = 64,270.80/x
  3. Step 3: Cross multiply
    230,482.80x = 345,723.60 × 64,270.80
  4. Step 4: Simplify right side
    230,482.80x = 22,219,932,350.88
  5. Step 5: Solve for x
    x = 22,219,932,350.88/230,482.80
  6. Step 6: Final answer
    x = 96,406.03

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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.